Error: Encoding not recognized: 'undefined'

[White-Bear1122]

When using the MySQL node in Node-RED, which depends on mysql2, to insert data into a table that has triggers after insert and update operations, the charsetNumber property in the connection pool becomes undefined after completing this operation.

Jan 10:25:14 - [red] Uncaught Exception:
Jan 10:25:14 - [error] Error: Encoding not recognized: 'undefined' (searched as: 'undefined')
at Object.getCodec (C:\Users\86157.node-red\node_modules\iconv-lite\lib\index.js:104:23)
at Object.getEncoder (C:\Users\86157.node-red\node_modules\iconv-lite\lib\index.js:115:23)
at exports.encode (C:\Users\86157.node-red\node_modules\mysql2\lib\parsers\string.js:23:25)
at Packet.writeNullTerminatedString (C:\Users\86157.node-red\node_modules\mysql2\lib\packets\packet.js:757:30)
at HandshakeResponse.serializeResponse (C:\Users\86157.node-red\node_modules\mysql2\lib\packets\handshake_response.js:49:12)
at HandshakeResponse.toPacket (C:\Users\86157.node-red\node_modules\mysql2\lib\packets\handshake_response.js:99:20) at ClientHandshake.sendCredentials (C:\Users\86157.node-red\node_modules\mysql2\lib\commands\client_handshake.js:64:46)
at ClientHandshake.handshakeInit (C:\Users\86157.node-red\node_modules\mysql2\lib\commands\client_handshake.js:137:12)
at ClientHandshake.execute (C:\Users\86157.node-red\node_modules\mysql2\lib\commands\command.js:39:22)
at PoolConnection.handlePacket (C:\Users\86157.node-red\node_modules\mysql2\lib\connection.js:425:32)