Getting 403: "ErrorGroupAccessDenied" when changing group settings with Graph API

[Shachar Shmueli]

I want to create a group then adding members, owners and changing settings using Graph APII can create a group and assign members and owners but when I try to change the settings I get 403: "ErrorGroupAccessDenied"It happens only when I try to change "allowExternalSenders" and "autoSubscribeNewMembers"(for other settings I tried the code succeeded to change)I followed the "Update group" page and gave all the permissions as explained but I still get that error.

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