Draft Revenue generation exception report showing "Autoaccounting error"

Dear Colleagues,

i'm trying to generate draft revenue and face an autoaccounting error for some of them

for other projects generation was fine

i don't undestand exactly the issue

see attached log files

i found the expenditure causing the issue but i don't understand why?

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Project Name      Task Num        Employee            Expnd Type     Item Date     Costed  Billable    Approved    Rejection Reason       

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...   

Dabbagh corporate 2.02            Al-Hamrani, Ali     Manpower.      24-SEP-10     Yes     No          Yes                                

Dabbagh corporate 2.02            Chabrier, Philippe  RiyadhOfficeTr 01-OCT-14     Yes     Yes         Yes         AutoAccounting Error  

.....

please help

best regards

chaker