Here are a few title options, focusing on the question format and reflecting the article\'s content: Option 1 (Straightforward): * MySQL 5.1.69: How to Fix \"ERROR 1115: Unknown character set:

Troubleshooting "ERROR 1115 (42000): Unknown character set: 'utf8mb4'" for MySQL 5.1.69

The error "ERROR 1115 (42000): Unknown character set: 'utf8mb4'" occurs when attempting to restore a MySQL dump containing a character set that is not supported by the installed MySQL version. In this case, lines 3231-3233 of the dump are attempting to set the character set to 'utf8mb4', which is unsupported in MySQL 5.1.69.

To resolve this error, the MySQL version must be upgraded to a version that supports the 'utf8mb4' character set. According to the MySQL documentation, 'utf8mb4' was introduced in MySQL 5.5.3. Therefore, upgrading to MySQL 5.5.3 or later will resolve the issue.

Alternatively, the dump file could be modified to replace 'utf8mb4' with a supported character set, such as 'utf8'. However, this is not recommended as it may cause data integrity issues if the original data was encoded in 'utf8mb4'.

In summary, to resolve the error "ERROR 1115 (42000): Unknown character set: 'utf8mb4'" for MySQL 5.1.69, the MySQL version should be upgraded to a supported version or the dump file should be modified to use a supported character set.

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