Gmail API, Assertion failed and Cannot modify header information
-
Warning: assert(): Assertion failed in …/www/wp-content/plugins/postman-smtp/Postman/Postman-Mail/PostmanZendMailTransportConfigurationFactory.php on line 63
Warning: Cannot modify header information – headers already sent by (output started at …/www/wp-content/plugins/postman-smtp/Postman/Postman-Mail/PostmanZendMailTransportConfigurationFactory.php:63) in …/www/wp-includes/pluggable.php on line 1196
Worked previously, changed provider. Emails are sent out but error shows on screen. Using Gmail API.
Viewing 4 replies - 1 through 4 (of 4 total)
Viewing 4 replies - 1 through 4 (of 4 total)
- The topic ‘Gmail API, Assertion failed and Cannot modify header information’ is closed to new replies.