Screenshot of the error on Log analytics:
This problem is due to have a limit on the data log collection .
You can increase this limits in your Work Analytics section ( cost management ) – Usage and estimated costs.
You can look at the Usage charts and try to Match your Daily cap volume and resolve the alert and the problem, in this case you can see we increased the daily volume cap to 2 GB per day as we were having daily 1.2 GB of logs .
You can check the recommendations here looking at the usage and estimation
https://docs.microsoft.com/en-us/azure/azure-monitor/logs/manage-cost-storage
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