MM unit of measurement disappears in the GOA

Hi All , in the CONTRACT SRM

in BBP_PD

0000000001         0.000            EA    0000000000000000000000000000000050005141
0000000002         0.000                     0000000000000000000000000000000050005545

Price(Contract/Bid)  119.00    CAD  Per   1   each  2010.09.08  9999.12.31      - 1 st item
Price(Contract/Bid)  129.00    CAD  Per   1             2010.09.08  9999.12.31      - 2 nd item

really EA UOM is exiting in ECC as well as in SRM commpr01 for material 50005545

who is deleting MM 50005545 EA UOM unit ?

I could not recreate the same too.

but sparotically it is happening.

Thanks

Muthu

i need a help to recreate the same issue or i want to know what is the BUYER action makes this Unit deletion.

GOA status is HELD ONLY