MySQL error code
MySQL error 4157
MySQL server error 4157 is ER_INNODB_INSTANT_ADD_DROP_NOT_SUPPORTED_MAX_SIZE, reported with SQLSTATE HY000.
Column can't be added or dropped with ALGORITHM=INSTANT as either max possible row size already crosses max permissible row size or may cross it after add. Try ALGORITHM=INPLACE/COPY.
| Error | 4157 |
|---|---|
| Name | ER_INNODB_INSTANT_ADD_DROP_NOT_SUPPORTED_MAX_SIZE |
| SQLSTATE | HY000 |
| Group | Server errors |
Source: MySQL 8.4 Error Reference