Error 4 in the Update

Hi BW Experts,

Thanks in Advance. We are extracting data from ECCS source system by using process chains the data has successfully loaded in to ODS. When it is uploading from ODS To Cube it has given the following error message

Value 'BT (blank)' (hex. '420054002000280062006C0061006E006B002900') of characteristic 0CS_SITEM contains invalid characters

when i have look at the step by step analysis this messages found.

Can any one help me on this issue your help will be appreciated.

Vasu