MySQL error code
MySQL error 2040
MySQL client error 2040 is CR_SHARED_MEMORY_CONNECT_FILE_MAP_ERROR.
Can't open shared memory; server could not allocate file mapping (%lu)
| Error | 2040 |
|---|---|
| Name | CR_SHARED_MEMORY_CONNECT_FILE_MAP_ERROR |
| Group | Client errors |
Source: MySQL 8.4 Error Reference