Hi Vivek,
Do as theerroris telling you, you shouldcheck thetable.Go inSE11(ABAP Dictionary), set thetable nameand check itby the button"Check" (CTRL +F2).
Ahhh, adding ... Thank youfor participating in theSCN, I ask you toalsocheck out the linksbelow tobetter use andapproachherein theSCN 
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How to close a discussion and why
Warm regards,
Raphael Pacheco.