Fatal error when checking seed logs

[steveworley]

 PHP Fatal error:  Uncaught TypeError: format_string(): Argument #2 ($args) must be of type array, bool given, called in /app/docroot/sites/all/modules/contrib/quantcdn/quant.module on line 818 and defined in /app/docroot/includes/bootstrap.inc:1868
Stack trace:
#0 /app/docroot/sites/all/modules/contrib/quantcdn/quant.module(818): format_string()
#1 /app/docroot/sites/all/modules/contrib/quantcdn/quant.module(727): quant_log_check_seed_results()
#2 /app/docroot/sites/all/modules/contrib/quantcdn/quant.module(548): quant_seed_file()
#3 /app/docroot/sites/all/modules/contrib/quantcdn/quant.module(443): quant_seed()
#4 /app/docroot/includes/bootstrap.inc(3871): _quant_post_entity_op()
#5 [internal function]: _drupal_shutdown_function()
#6 {main}
  thrown in /app/docroot/includes/bootstrap.inc on line 1868

[kepol]

Steps to reproduce?

[steveworley]

I didn't get steps to reproduce, just the error messages. We can just add a defensive is_array when we call format_string and log more info if args is not an array.

[kepol]

Ported to d.o issue so closing. I'll work on this one.

https://www.drupal.org/project/quantcdn/issues/3412929