# Tally crashes when I open Group Company

![](https://4143609165-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LLk7br3Yi6QanniF9kY%2F-LUxQg_WoSD5Te3b4Fu_%2F-LUxRcycFtiA6E12N7zT%2Fimage.png?alt=media\&token=5ec9fe3f-0094-438a-804c-dd1291b90691)

**Step 1:** This error may occur when you're syncing **Main group company** in Tally as given in the image:

![](https://4143609165-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LLk7br3Yi6QanniF9kY%2F-LUxJjpyh-rAo027DeSm%2F-LUxOAIFkVHqPchOzJ9T%2Fimage.png?alt=media\&token=de728ba8-c6cb-494f-9f47-045487550309)

**Step 2:** So to avoid this error you need to select "**Sub- Group Company**" instead of **Main Group Company** in Tally i.e **Group 1** or **Group 2.**

![](https://4143609165-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LLk7br3Yi6QanniF9kY%2F-LUxJjpyh-rAo027DeSm%2F-LUxPkSRMk_5JWKjI4ky%2Fimage.png?alt=media\&token=d7ae10a2-d610-4789-897c-084756a69f9a)

**Step 3:** After this **Biz Analyst Sync** will work fine and you will not get **MAV** error.