Profit center is not deriving for Customer as the document has multiple profit centers

Dear SAP Gurus,

Please help me on the following issue,

My user passing the following entry and he getting balancing field profit center in line item 002 not filled.

Li   PK        Description                               Amount          Cost Center       Prctr          Segment

001 40         Bank A/c                                   120.00                                      BA01          B100

002 19A      Customer A/c                             120.00-

003 40        BANK CHARGES                         50.00              210101              BK01          B200

004 50        Service Provide Payable                50.00-                                      BK01          B200

Here, SAP is not deriving any Profit center for Customer line item as the document has two different profit centers and segments.

Can somebody provide  me solution to achieve this would be appreciated.

Thanks,

Jyoti