PO are not getting saved while one UBE calling another

Hi Team,

We are JDE 812 with TR 8.98.1.3. While running interconnected UBE the other UBE is using the value mentoned in the PO. The PO values are not getting saved.

we have tried build update as weel as full packages but the issue is resloving.

the JAS log updated are as

[RUNTIME]HTMLClientHandler:doService: Abnormal error: Silent post request cannnot be processed due to busy status 06 May 2016 11:15:26,050[SEVERE][IN_SUNVAI][RUNTIME]POEngine.fetchF983051Record(): PO Data in F983051 record is null! | App Name : R5542PO1_SLK0001 06 May 2016 11:15:26,050[WARN][IN_SUNVAI][RUNTIME]POEngine.loadPOData():Unable to fetch F983051 record | App Name : R5542PO1_SLK0001 06 May 2016 11:15:26,050[WARN][IN_SUNVAI][RUNTIME]POEngine.loadPOData(): Unable to load PO Data | App Name : R5542PO1_SLK0001 06 May 2016 11:15:26,050[SEVERE][IN_SUNVAI][RUNTIME]VTPO.populateValues() - Failed to load PO data from F983051 table!  Unable to launch processing options for  PO_R5542PO1_SLK0001 06 May 2016 11:15:39,334[SEVERE][IN_SUNVAI][RUNTIME]POEngine.buildByteArray(): No Values to store. Unable to build byte array! | App Name :  06 May 2016 11:15:39,334[SEVERE][IN_SUNVAI][RUNTIME]POEngine.savePOData(): Unable to generate