To rectify the error, please follow the troubleshoot steps mentioned below.
Step 1: Check if you are encounterig the error in a particular voucher type or in posting all kinds on vouchers.
Step 2: If the error showing in one particular company, then you need to perform reindex in the database.
Step 3: To run reindex, open the company, go in housekeeping menu, select reindex database click on you can proceed as i have the latest backup and let the process get completed.
Step 4 : Now check by posting the transaction, if the error persists, kindly share your data backup on support@busy.in along with the admin username, error screenshot and BUSY serial number.
NOTE : Backup of data is mandatory before proceeding with troubleshooting steps