Redundant message in TCP/IP server MLOG for error in MCP

If an error occurs while modifying the current plan and the following message is issued:

AWSUI4064E The following error occurred: EQQM943E USER FIELD NAME ddddd ALREADY 
PRESENT FOR APPLEXECUTOR, 001

The message is also displayed in the message log of the server as follows:

  EQQZ024I Error Diagnosis:                                              
EQQZ024I     START ADDRESS: 0CC35FD4                TIME: 120316 153221
EQQZ024I     000000  C5D8D8D4 F9F4F340                    *EQQM943     
EQQZ024I Failing MCP request block, MT0:                               
EQQZ024I     START ADDRESS: 0CC35FC0                TIME: 120316 153221
EQQZ024I     000000  D4E3F040 F0F144F3 D700F1F2 F0F3F1F6  *MT0 01.3P.12
EQQZ024I     000010  F2F4F0F0 C5D8D8D4 F9F4F340 0000011B  *2400EQQM943 
EQQZ024I     000020  00000000 00000000 00C1D7D7 D3C5E7C5  *.........APP
EQQZ024I     000030  C3E4E3D6 D9404040 40F1F2F0 F3F1F6F1  *CUTOR    120
EQQZ024I     000040  F1F4F9F4 F0F0F3F1 F6F1F1F4 F9F4F0F0  *149400316114
EQQZ024I     000050  F3F1F6F2 F3F0F0F5 40404040 08404040  *31623005    
EQQZ024I     000060  40404040 40404040 40404040 40404040  *            
EQQZ024I     000070  40404040 40404040 40404040 40000000  *            
EQQZ024I     000080  00000000 00000000 00000100 01C4C2D7  *............
EQQZ024I     000090  D3E4C740 40E9C3C5 F1404040 40404040  *LUG  ZCE1   
EQQZ024I     0000A0  40404040 40404040 40404040 40404040  *            
EQQZ024I     0000B0  40000000 01000000 00000000 00000000  * ...........
EQQZ024I     0000C0  00000000 00000000 000000EA 60001E00  *............
EQQZ024I     0000D0  01848484 84844040 40404040 40404040  *.ddddd      
EQQZ024I     0000E0  40404040 40404040 40404040 40404040  *            
EQQZ024I     0000F0  40404040 40404040 40404040 40404040  *            
EQQZ024I     000100  40404040 40404040 40404040 40404040  *            
EQQZ024I     000110  40404040 40404000 000000             *       ....