Situation: If merchant is facing MAV error

Resolution: Please follow the below steps with customer's consent and (specifically) in presence is customer only

Step 1:If customer is getting the error about MAV error, assist the customer to rewrite tally data with the help of tally provider/support.

If customer is insisting support team to rewrite the data from our end, Support team need to raise a ticket.

**This can be performed only by L2 team with proper tally knowledge**

***Before following the below steps inform customer to get the "Tally Data Backup"***

Step 1: Rewrite of data will solve the issue. 

1. Go to the Gateway of Tally or the Company Info menu.

2. Press Ctrl+Alt+R . The List of Companies appears in the Rewrite Company screen.

3. Select the company for which you want to rewrite data. 

4. Press Enter to rewrite the data.

Once the rewriting procedure is complete, customer will be able to access your restored data.

Step 2: Zero Re-write 

1. Close Tally in all systems(Need to do this process on Server System)

2. Press Win+R> and Type: Target path (space) Data (space) 0 >OK

After that Tally will get open and again press Ctrl+Alt+R . The List of Companies appears in the Rewrite Company screen.

Select the company for which you want to rewrite data. Press Enter to rewrite the data.