# Adalo keeps crashing browser when trying to setup M2M dependent action
**URL:** https://forum.adalo.com/t/adalo-keeps-crashing-browser-when-trying-to-setup-m2m-dependent-action/11027
**Category:** Get Help
**Created:** [April 5, 2021, 6:26pm UTC](https://forum.adalo.com/t/adalo-keeps-crashing-browser-when-trying-to-setup-m2m-dependent-action/11027 "2021-04-05T18:26:10Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@oivaizmir](https://forum.adalo.com/u/oivaizmir)
#### Post date: [April 5, 2021, 6:26pm UTC](https://forum.adalo.com/t/adalo-keeps-crashing-browser-when-trying-to-setup-m2m-dependent-action/11027/1 "2021-04-05T18:26:10Z")
Hey all,
[See video attached to show the issue.](https://youtu.be/c4FfqvU-_KI)
I have setup a many to many database relationship between users and another Adalo collection.
**When I try to setup an action, in this case adding the logged in user to the field, the browser crashes every time. This is a small thing, but it’s stopped me dead in my tracks since I can’t get around it.**
I am hoping to get some feedback to help me isolate the root of the problem, so a few facts on my setup:
-MacBook running Chrome. (note I can’t even open this Adalo app’s development environment in Safari)
-The app is quite heavy, there are maybe 100 screens and the users database has maybe 50 subfields associated with it
-The internet where I am is not great, I’m getting maybe 500kb/s download
-I am currently in Lebanon, and just arrived a few days ago, so there could be an issue with ports being blocked. I have installed a VPN and it has made no difference
What I have done so far:
-Tried to switch browsers from Chrome to Safari, but the app doesn’t even load in Safari
-I have copied the app with a fresh database. The issue persists.
I’m open to simplifying the database structure or searching for a faster internet connection, or any other solution.
I am hoping to get feedback that will point me in the right direction and avoid me wasting time.
Happy to add any other colour,
Barrett Nash
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### Author:  [@oivaizmir](https://forum.adalo.com/u/oivaizmir)
#### Post date: [April 6, 2021, 1:08pm UTC](https://forum.adalo.com/t/adalo-keeps-crashing-browser-when-trying-to-setup-m2m-dependent-action/11027/2 "2021-04-06T13:08:49Z")
I solved the issue by downloading and using Mozilla Firefox. It is a bit messy in in Firefox, but it looks to have linked the database correctly.
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### Author:  [@system](https://forum.adalo.com/u/system)
#### Post date: [April 16, 2021, 1:10pm UTC](https://forum.adalo.com/t/adalo-keeps-crashing-browser-when-trying-to-setup-m2m-dependent-action/11027/3 "2021-04-16T13:10:02Z")
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