if you got the problem in setData method in magento. Than follow some step to slove this problem.
Step1:- Check your resource table name in config.xml file,and Clear your cache folder inside /var folder and than check.
Step2:- If step 1 is not working than reindex your project and than check.
Step3:- If step 1 and 2 is not working, than check your table Engine type if it’s InnoDB than change it to MyISAM and than check.
Hopefully your problem has been solved.
Note:- Please take a back up before using this steps.
