I am getting this error with 7.15. They are consistently happening in pairs. I'm using mysql. Note this is
php
PDOException: SQLSTATE[42000]: Syntax error or access violation: 1305 SAVEPOINT savepoint_1 does not exist: ROLLBACK TO SAVEPOINT savepoint_1; Array ( ) in file_usage_add() (line 661 of /var/www/website.com/includes/file.inc).
node
PDOException: SQLSTATE[42000]: Syntax error or access violation: 1305 SAVEPOINT savepoint_1 does not exist: ROLLBACK TO SAVEPOINT savepoint_1; Array ( ) in file_usage_add() (line 661 of /var/www/buyagainbaby.com/includes/file.inc).
I originally posted about this in a related thread http://drupal.org/comment/edit/6556106.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Re-roll for 10.1.x.
https://git.drupalcode.org/project/drupal/-/merge_requests/5283/diffs
As pointed out at #54, this patch is absolutely not a viable solution. Logging exception before rolling back transaction basically means that the exception won't be logged.