DB2 WSE 11.1.1 on Windows Server 2012

This message appears sometimes. I have no clue what causes these messages.
No calls from users and database works without apparent problems.
Is there a solution, a fix or a workaround?

Code:
2017-09-28-05.43.02.948000-240 E4750622F811         LEVEL: Error
PID     : 2420                 TID : 6104           PROC : db2syscs.exe
INSTANCE: DB2                  NODE : 000           DB   : CCMFXXX
APPHDL  : 0-53740              APPID: 10.8.4.115.51450.170928093945
AUTHID  : DB2CCMF              HOSTNAME: ACOM12K41
EDUID   : 6104                 EDUNAME: db2agent (CCMFXXX) 0
FUNCTION: DB2 UDB, DRDA Application Server, sqljsParseSqlSttGrpNOC, probe:418
MESSAGE : DIA5000C A DRDA AS token "RECOVERABLE" was detected.  The diagnostic 
          data returned is (SRVDGN): "FUNCTION ID = 0052 , PROBE POINT = 0418 , 
          TRACE POINT = 0040 , SUBCODE1 = FFFFFFFF804B009D, SUBCODE2 = 
          00000000000009C8, SUBCODE3 = 0000000000000000, ERROR MSG = Parser: 
          Invalid value".

2017-09-28-05.43.02.948000-240 I4751435F710         LEVEL: Error
PID     : 2420                 TID : 6104           PROC : db2syscs.exe
INSTANCE: DB2                  NODE : 000           DB   : CCMFXXX
APPHDL  : 0-53740              APPID: 10.8.4.115.51450.170928093945
AUTHID  : DB2CCMF              HOSTNAME: ACOM12K41
EDUID   : 6104                 EDUNAME: db2agent (CCMFXXX) 0
FUNCTION: DB2 UDB, DRDA Application Server, sqljsParseSqlSttGrpNOC, probe:40
MESSAGE : ZRC=0x804B009D=-2142568291=SQLJS_DTAMCH
          "Error during reading of FDOCA data"
DATA #1 : DDM Object, PD_TYPE_DDM_OBJECT, 16 bytes

	data length : 2510
	codepoint   : 0x2414 ( SQLSTT )
	length      : 2514 ( COMPLETE )

2017-09-28-05.43.02.948000-240 I4752147F189       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** DRDA ASCB ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4752338F562         LEVEL: Warning
PID     : 2420                 TID : 6104           PROC : db2syscs.exe
INSTANCE: DB2                  NODE : 000           DB   : CCMFXXX
APPHDL  : 0-53740              APPID: 10.8.4.115.51450.170928093945
AUTHID  : DB2CCMF              HOSTNAME: ACOM12K41
EDUID   : 6104                 EDUNAME: db2agent (CCMFXXX) 0
FUNCTION: DB2 UDB, common communication, sqlcctcplogIPAddress, probe:50
MESSAGE : DIA3220W Client sent data from IP address = "10.8.4.115", port = 
          "64200".

2017-09-28-05.43.02.948000-240 I4752902F194       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** DRDA CMNMGR CB ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4753098F191       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** DSS SEGMENT ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4753291F194       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** RECEIVE BUFFER ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4753487F192       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** SEND BUFFERS ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4753681F197       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** CONNECTION HANDLE ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4753880F195       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** DRDA ATTRIBUTES ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin

2017-09-28-05.43.02.948000-240 I4754077F194       LEVEL: Error
PID:2420 TID:6104 NODE:000 Title: **** AS UCINTERFACE ****
Dump File:C:\ProgramData\IBM\DB2\DB2COPY1\DB2\2420.6104.000.dump.bin