After updating Drupal 8 to Drupal 9, the following error is displayed on the website page:
Warning: file_put_contents(): Filename cannot be empty in /var/www/html/web/modules/contrib/devel/src/DevelDumperManager.php on line 108
Although it is not in the logs. But there is a similar one:
Warning: file_put_contents(): Filename cannot be empty in Drupalsearch_api_solr_develLoggingSolariumRequestLogger->preExecuteRequest() (line 148 of /var/www/html/web/modules/contrib/search_api_solr/modules/search_api_solr_devel/src/Logging/SolariumRequestLogger.php)
Perhaps these errors are somehow related. How I do fix these errors?
I tried debugging and this is what xdebug shows for the first error: