ZTABLE Not Getting Activated

Dear Experts,

I am facing a problem , i had a requirement to change the Data element from NUMC to Decimals i tried doing that when revert the changes, if i try activating the table it is giving me an information message Table ZXXX does not exist in the database, And also tried activating in SE14 But it is showing an error messages As Mentioned Below And I Found a thread http://scn.sap.com/thread/3662751 and i followed activating through program but couldn't come out of this mess, so experts can any one of you suggest me how to solve this problem.

Thanks & Regards,

uday..,