Shows blank page for dashboard when logged in

[Peteh2]

Hello,
My home page, login page, subscribe page and unsubscribe page; all works fine but when I am trying to Login at: https://example.com/admin using my Username & Password then it shows Blank Page.
Hop someone can help me to fix this issue.
Regards,

[Dragonrider]

This is often down to an error in a file that you have edited such as config.php where you have missed a semi-colon ( off the end of a line.

But why it only affects your admin page, that I’m not sure.

[Peteh2]

Hello Dragonrider,
My previous hosting is on shared hosting where I faced some problems.
So, I have changed my hosting service and now I am on VPS on another hosting provider and this problem happened as I have converted my domain (example.com) from Child Domain to Primary Domain.
Please tell me exactly in which Line, semi-colon missed; so that I can correct it.
Regards,

[Peteh2]

Hello Dragonrider,
I have checked my config.php file but there were no one semi-colon missed as well for the satisfaction; I have also changed current config.php file with the config.php backup file but the situation is same.
There is still a blank page.
Please help me to fix this issue.

Regards,

[Peteh2]

Hello Friends,
I have follows the direction given by @Dragonrider but there were no one semi-colon missed and there is still a blank page.
Please help me to fix this issue.
Regards,

[sarahk99]

@Peteh2

Hello,
My home page, login page, subscribe page and unsubscribe page; all works fine but when I am trying to Login at:example.com/admin using my Username & Password then it shows Blank Page.
Hop someone can help me to fix this issue.
Regards,

Try this
Login to your cPanel account.

In the Databases section, click on PhpMyAdmin.

Next, select the database you want to work with.

All tables in the database will be displayed on the right.

Click Check All at the bottom to select all tables. Next, in “With selected”, select Repair table.

When the repair completes, try accessing your admin panel to see if this resolves the issue. If yes, great! But if wp-admin is still not working, then it’s time to debug.

[Peteh2]

Hello @sarahk99 , @Dragonrider
Here is the error log, please take a look to point-out the actual problem & to fix it. I have already reviewed it but I am not sure where is the problem.
2020-10-31 20:24:43.842566 [INFO] Rewrite directive: bypassed.
2020-10-31 20:24:43.842571 [INFO] Invalid rewrite directive: RemoveHandler .cgi .pl .py .pyc .pyo .phtml .php .php3 .php4 .php5 .php6 .pcgi .pcgi3 .pcgi4 .pcgi5 .pchi6 .inc
2020-10-31 20:24:43.842584 [INFO] Invalid rewrite directive: RemoveType .cgi .pl .py .pyc .pyo .phtml .php .php3 .php4 .php5 .php6 .pcgi .pcgi3 .pcgi4 .pcgi5 .pchi6 .inc
2020-10-31 20:24:43.842589 [INFO] Invalid rewrite directive: SetHandler None
2020-10-31 20:24:43.842593 [INFO] Invalid rewrite directive: SetHandler default-handler
2020-10-31 20:24:43.842597 [INFO] Invalid rewrite directive: AddType text/plain .html
2020-10-31 20:24:43.842601 [INFO] Invalid rewrite directive: AddType text/plain .htm
2020-10-31 20:24:43.842607 [INFO] RewriteFile [/home/example.com/public_html/images/.htaccess] parsed, return 0.
2020-10-31 20:25:28.017479 [INFO] Invalid rewrite directive: <FilesMatch “.(php|inc)$”>
2020-10-31 20:25:28.017498 [INFO] Rewrite directive: <IfModule !mod_authz_core.c> bypassed.
2020-10-31 20:25:28.017502 [INFO] Invalid rewrite directive: Order allow,deny
2020-10-31 20:25:28.017505 [INFO] Invalid rewrite directive: Deny from all
2020-10-31 20:25:28.017508 [INFO] Invalid rewrite directive: Satisfy All
2020-10-31 20:25:28.017511 [INFO] Rewrite directive: bypassed.
2020-10-31 20:25:28.017519 [INFO] Rewrite directive: bypassed.
2020-10-31 20:25:28.017522 [INFO] Invalid rewrite directive: Require all denied
2020-10-31 20:25:28.017525 [INFO] Rewrite directive: bypassed.
2020-10-31 20:25:28.017528 [INFO] Invalid rewrite directive:
2020-10-31 20:25:28.017531 [INFO] Invalid rewrite directive: <FilesMatch “(index.php|connector.php|upload.php)$”>
2020-10-31 20:25:28.017535 [INFO] Rewrite directive: <IfModule !mod_authz_core.c> bypassed.
2020-10-31 20:25:28.017537 [INFO] Invalid rewrite directive: Order allow,deny
2020-10-31 20:25:28.017540 [INFO] Invalid rewrite directive: Allow from all
2020-10-31 20:25:28.017543 [INFO] Invalid rewrite directive: Satisfy All
2020-10-31 20:25:28.017546 [INFO] Rewrite directive: bypassed.
2020-10-31 20:25:28.017549 [INFO] Rewrite directive: bypassed.
2020-10-31 20:25:28.017552 [INFO] Invalid rewrite directive: Require all granted
2020-10-31 20:25:28.017555 [INFO] Rewrite directive: bypassed.
2020-10-31 20:25:28.017558 [INFO] Invalid rewrite directive:
2020-10-31 20:25:28.017562 [INFO] RewriteFile [/home/example.com/public_html/admin/.htaccess] parsed, return 0.
2020-10-31 20:27:55.967426 [INFO] Invalid rewrite directive: <FilesMatch “.(php|inc)$”>
2020-10-31 20:27:55.967453 [INFO] Rewrite directive: <IfModule !mod_authz_core.c> bypassed.
2020-10-31 20:27:55.967457 [INFO] Invalid rewrite directive: Order allow,deny
2020-10-31 20:27:55.967460 [INFO] Invalid rewrite directive: Deny from all
2020-10-31 20:27:55.967463 [INFO] Invalid rewrite directive: Satisfy All
2020-10-31 20:27:55.967466 [INFO] Rewrite directive: bypassed.
2020-10-31 20:27:55.967469 [INFO] Rewrite directive: bypassed.
2020-10-31 20:27:55.967472 [INFO] Invalid rewrite directive: Require all denied
2020-10-31 20:27:55.967475 [INFO] Rewrite directive: bypassed.
2020-10-31 20:27:55.967478 [INFO] Invalid rewrite directive:
2020-10-31 20:27:55.967481 [INFO] Invalid rewrite directive: <FilesMatch “(index.php|connector.php|upload.php)$”>
2020-10-31 20:27:55.967487 [INFO] Rewrite directive: <IfModule !mod_authz_core.c> bypassed.
2020-10-31 20:27:55.967490 [INFO] Invalid rewrite directive: Order allow,deny
2020-10-31 20:27:55.967493 [INFO] Invalid rewrite directive: Allow from all
2020-10-31 20:27:55.967496 [INFO] Invalid rewrite directive: Satisfy All
2020-10-31 20:27:55.967498 [INFO] Rewrite directive: bypassed.
2020-10-31 20:27:55.967501 [INFO] Rewrite directive: bypassed.
2020-10-31 20:27:55.967504 [INFO] Invalid rewrite directive: Require all granted
2020-10-31 20:27:55.967507 [INFO] Rewrite directive: bypassed.
2020-10-31 20:27:55.967510 [INFO] Invalid rewrite directive:
2020-10-31 20:27:55.967514 [INFO] RewriteFile [/home/example.com/public_html/admin/.htaccess] parsed, return 0.

Regards,

[Peteh2]

Hello @sarahk99,
It’s still shows blank page.

Regards,

[Peteh2]

Hello,
How can I debug wp-admin to fix this issue?

Regards,

[Peteh2]

Hello,
I am still struggling with this issue and I can’t find any solution for this problem and need help from the developers team members as well other users whose knows well that how can fix it.
Please help me.
Regards,

[duncanc]

@Peteh2 View the html source of the page using CTRL-U, there might be an indication of an error towards the bottom of the html.

[jojo26]

Hi,

I’m working on french transtaltion of phplist.
I encountered that problem several times!
The reason was always because an update of a config file or a php file like:
language.inc, config.php, home.php, defaultFrontendTexts.php, connect.php…

Go back to the original version of the file and try again.

Jojo

[Peteh2]

@duncanc
Sorry for late reply. Here is the html source of the Admin Dashboard:
indent preformatted text by 4 spaces

phpList :: phpList :: Dashboard

Toggle navigation

• Dashboard

• Subscribers
  • Search subscribers
  • Manage subscribers
  • Configure attributes
  • Subscriber lists
  • Import subscribers
  • Export subscribers
  • View bounces per list
  • Suppression List
  • Reconcile subscribers

• Campaigns
  • Send a campaign
  • List of campaigns
  • Manage campaign templates

• Statistics
  • Statistics overview
  • View opens
  • Campaign click statistics
  • URL click statistics
  • Domain statistics
  • msgbounces

• System
  • Update translations
  • Verify the DB structure
  • Log of events
  • Initialise the database
  • Upgrade phpList
  • Manage bounces
  • Send the queue
  • Rebuild DB indexes
  • system

• Config
  • Checklist
  • Settings
  • Manage plugins
  • Subscribe pages
  • Manage administrators
  • Import administrators
  • Configure administrator attributes
  • Bounce rules
  • Check bounce rules
  • Categorise lists

• Update

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Logout

Dashboard

Dashboard

Hide

phpList will work without Javascript, but it will be easier to use if you switch it on.

All is that, But “WHAT I CAN SEE, IS A BLANK PAGE” only.
Regards,

[duncanc]

@Peteh2 You could try reinstalling the phplist code, not the database, but save and restore the config.php file.
Also confirm that the phplist requirements are met https://resources.phplist.com/system/start

The apache log that you showed previously looks a mess. Possibly ask your hosting company why valid .htaccess lines are being rejected.

You can try enabling error reporting. In file admin/init.php line 9 is

error_reporting(0);

change the 0 to -1 to enable all errors

error_reporting(-1);

[Peteh2]

@duncanc Thanks for the right way to fix this error. Now I feel some relax that I am being able to see my Dashboard after a long time.
How To Do It:

1. Keep safe config.php file and database only.
2. I have deleted all of the website files, folders etc. to make it clean.
3. I have uploaded the list folder of latest phpList ver. 3.6.0
4. Delete default config.php file and upload the backup config.php
5. Visit example.com/admin to login using login credentials.
6. Magic…Dashboard shown!!!
   Finally this problem is going to fixed without knowing the actual “Bug”.
   Can anyone pin-point the actual point of error?

Thanks for help and support.

[allvoxman]

Scratching my head on this. I solved it in the past with previous versions, but it seems I just can’t this time. It’s a fresh install of 3.6.1. downloaded directly on the server via wget and unzipped there too.

It shows the admin login page, but after sending the form it’s a blank page (with some HTML code on the background). I tried to use my own config.php backup first, but then I tried with the vanilla config.php, to no avail. If I don’t edit that config file, the expected message of error connecting to the database appears, but whenever I enter the server data (host, database, user, password), it just goes blank.

I’m on Ubuntu 20.4, PHP 8.0.2 and Apache 2.4.41

PHP has all these modules enabled:

[PHP Modules]
bz2
calendar
Core
ctype
curl
date
dom
exif
FFI
fileinfo
filter
ftp
gd
gettext
hash
iconv
imagick
imap
json
libxml
mbstring
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
Reflection
session
shmop
SimpleXML
sockets
sodium
SPL
standard
sysvmsg
sysvsem
sysvshm
tokenizer
xml
xmlreader
xmlwriter
xsl
Zend OPcache
zip
zlib

[Zend Modules]
Zend OPcache

Thanks a lot in advance!

[allvoxman]

More tests:

• Tried switching from executing php8 as PHP-FPM to as an Apache module, just in case it was some esoteric permissions issue. No luck, blank page after login.
• Also tried fresh-installing previous versions (3.6.0, 3.5.7), but they didn’t even show the login page or public subscription pages.

I think it’s probably an issue with the PHP version? Let me know how can I debug this, I’m not experienced on that. Thanks a lot in advance.

[duncanc]

@allvoxman Have you tried enabling error reporting? That is explained in an earlier response.
If the page is still blank then view the underlying html.

[allvoxman]

Error reporting enabled, no errors reported & still blank page. This is the HTML that’s produced:

[duncanc]

@allvoxman Do you have a timezone set? Try adding this to the end of the config.php file to see whether it makes a difference

date_default_timezone_set('America/Los_Angeles');

Also, just to rule out any plugin can you rename the lists/admin/plugins directory and create a new empty directory in its place.