HTML module Uninitialized string offset: 1

[opencart-russia]

https://github.com/opencart/opencart/blob/master/upload/admin/controller/module/html.php#L99
Notice: Uninitialized string offset: 1

--- template --- isset($module_description[$language['language_id']]['description'])
--- controller --- $data['module_description'] = ''; ISSET = TRUE !!!!!!!! string(0)

[Steinweber]

Unfortunately, I can not see any errors or bugs

[opencart-russia]

to see the warning, it is not enough just to check.
https://php.net/manual/en/errorfunc.configuration.php#ini.error-reporting

[danielkerr]

i can not relicate. i think you may have odl data still in the system. the module system was updated recently. try resaving.

[danielkerr]

error reporting is on full by default in opencart.