![Character set 'utf8mb4' is not a compiled character set and is not specified in the '/usr/share/mysql/charsets/Index.xml' file - Database Administrators Stack Exchange Character set 'utf8mb4' is not a compiled character set and is not specified in the '/usr/share/mysql/charsets/Index.xml' file - Database Administrators Stack Exchange](https://i.stack.imgur.com/28Ov6.png)
Character set 'utf8mb4' is not a compiled character set and is not specified in the '/usr/share/mysql/charsets/Index.xml' file - Database Administrators Stack Exchange
![How to change default charset from "utf8_unicode_ci" to "utf8mb4_unicode_ci" in MySQL in Plesk for Linux? - Support Cases from Plesk Knowledge Base How to change default charset from "utf8_unicode_ci" to "utf8mb4_unicode_ci" in MySQL in Plesk for Linux? - Support Cases from Plesk Knowledge Base](https://support.plesk.com/hc/article_attachments/360020464234/2018-12-19_17_47_01-Adding_Event_Handler_-_Plesk_Onyx_17.8.11.png)
How to change default charset from "utf8_unicode_ci" to "utf8mb4_unicode_ci" in MySQL in Plesk for Linux? - Support Cases from Plesk Knowledge Base
Change the CHARSET to `utf8mb4` and COLLATE to `utf8mb4_unicode_ci` · Issue #930 · php-enqueue/enqueue-dev · GitHub
![Moodle in English: Error reading from database - COLLATION 'utf8mb4_bin' is not valid for CHARACTER SET 'utf8' SELECT * FROM mdl_user WHERE LOWER(username) COLLATE utf8mb4_bin .. Moodle in English: Error reading from database - COLLATION 'utf8mb4_bin' is not valid for CHARACTER SET 'utf8' SELECT * FROM mdl_user WHERE LOWER(username) COLLATE utf8mb4_bin ..](https://moodle.org/pluginfile.php/143/mod_forum/attachment/1611506/descarga.png?forcedownload=1)
Moodle in English: Error reading from database - COLLATION 'utf8mb4_bin' is not valid for CHARACTER SET 'utf8' SELECT * FROM mdl_user WHERE LOWER(username) COLLATE utf8mb4_bin ..
![character encoding - MySQL database - conversion of characterset and collation to utf8mb4 and utf8mb4_unicode_ci? - Stack Overflow character encoding - MySQL database - conversion of characterset and collation to utf8mb4 and utf8mb4_unicode_ci? - Stack Overflow](https://i.stack.imgur.com/MN8d1.png)