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CRON not recognizing a valid expression
i am tryigin to set: 30 8 * * 0-4 as a cron expression.
as you can see in this link its a valid CRON expression: https://crontab.guru/#30_8_*_*_0-4
but in the function creation steps i am getting Please enter a valid Cron expression
running appwrite 1.3.7 on ARM
running on Ubuntu VM in Oracle cloud
TL;DR
The user is encountering an issue where CRON is not recognizing a valid expression. They are trying to set the expression `30 8 * * 0-4` but it is not being accepted, despite being a valid expression according to a CRON expression link. The user is running Appwrite 1.3.7 on ARM, on an Ubuntu VM in the Oracle cloud. There is a solution provided in a link mentioned in the support thread. 
There is an pr that fix that in future version
