New Post: "M2" comand returns error 35

I am working on data decryption with Thales HSM. For data decryption command "m2" is used.
But I am getting error: '35' : Illegal Message Format
Commands are bellow. That is wrong with my requests?
Request :
M2011100AU099AF4F0F998CE9D3720B9B23095E1B200000000000000000030C79B16C02A5208D916B954A414A66B2600E1976808376906
Response:
M335

I have tried to decrypt data by 8 bytes blocks, but then last block decryption fails:
Request:
M2011100AU099AF4F0F998CE9D3720B9B23095E1B216B954A414A66B26001000E1976808376906
Response:
M335

Thanks, Andrzej