Problem in executing TCode IFCU

Hi Experts,

i am facing a problem in TCode IFCU,

i've done all required customization for the same,after entering a value on IFCU screen,

when i give save option, system flashed below mwntioned mesaage,

please suggest the solution,

Unit of measure L is not convertible to stockkeeping unit EA

Message no. M7026

Diagnosis

An error has occurred during conversion of the quantity into the various units of measure ( stockkeeping unit/alternative units).

System Response

The system cannot post the document.

Procedure

Contact your system administrator.

Thanks and Regards

Pravin