This error occurs due to data corruption in AKINSOFT program which you are using.
For fix the data, run the "PxOnar" program inside of "Tools" folder of AKINSOFT CD then click the "Browse" button. Click the "Start" button after finding data folder or company folder in the drive which your program was installed.
(This process is valid only for the programs which are using Paradox database.)
Note: If you cannot find "PxOnar" program in CD You can DOWNLOAD it here.