What is the name of the domain?
What is the issue you’re encountering
Bot Fight Mode for Definite Bots is blocking Google Tag Manager Test
What steps have you taken to resolve the issue?
allowlist the IPs.
It looks like these are the IPs the tester is using.
64.233.172.168
64.233.172.161
64.233.172.163
64.233.172.162
64.233.172.167
What are the steps to reproduce the issue?
When running the GTM tester after adding GTM to a website, it may get blocked by Bot Mode. To resolve this you have to add the IPs to the allowlist in either WAF Custom Rules or WAF/Tools.