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I've installed a Drupal7 CMS (v7.59). During the installation and on the login page, there is an error message as below:

Warning: session_start(): The session id is too long or contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,' in drupal_session_start() (line 287 of /xx/xxxx/xxxx/xxxxxx/includes/session.inc).

I'm not able to login with my admin username and password (set during installation).

I've tried the followings:

  • no cookie_domain set in settings.php
  • rewrite apache module enabled
  • browser cache cleared
  • sessions and cache tables are empty in DB
  • there are no custom modules, only core modules and themes

Some details: - PHP 5.6.35 - Apache webserver - MySQL 5.7.21

Any ideas?

Sehdev
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András Égler
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1 Answers1

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maybe take a look at this answer here. i believe its related.

PH83
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