Hey, I have 2-3 PDF templates with this extension for EspoCRM but recently observed that there are several 500 Errors in my logs due to it. I guess there were some changes made and it is no longer compatible with the current codebase for 7.0.8-7.0.9 Espo.
[2022-04-07 08:50:27] ERROR: Uncaught Exception TypeError: "LightnCandy\SafeString::__toString(): Return value must be of type string, null returned" at /home/xxxxxxxxxxxxxxx/public_html/vendor/zordius/lightncandy/src/SafeString.php line 53 {"exception":"[object] (TypeError(code: 0): LightnCandy\\SafeString::__toString(): Return value must be of type string, null returned at /home/xxxxxxxxxxxxxxx/public_html/vendor/zordius/lightncandy/src/SafeString.php:53)"} []
[2022-04-07 08:50:34] ERROR: Uncaught Exception TypeError: "LightnCandy\SafeString::__toString(): Return value must be of type string, null returned" at /home/xxxxxxxxxxxxxxx/public_html/vendor/zordius/lightncandy/src/SafeString.php line 53 {"exception":"[object] (TypeError(code: 0): LightnCandy\\SafeString::__toString(): Return value must be of type string, null returned at /home/xxxxxxxxxxxxxxx/public_html/vendor/zordius/lightncandy/src/SafeString.php:53)"} []
[2022-04-07 08:57:58] ERROR: Uncaught Exception TypeError: "LightnCandy\SafeString::__toString(): Return value must be of type string, null returned" at /home/xxxxxxxxxxxxxxx/public_html/vendor/zordius/lightncandy/src/SafeString.php line 53 {"exception":"[object] (TypeError(code: 0): LightnCandy\\SafeString::__toString(): Return value must be of type string, null returned at /home/xxxxxxxxxxxxxxx/public_html/vendor/zordius/lightncandy/src/SafeString.php:53)"} []