After installing Advance Roadmaps when I try to access the user permission it gives me error

[AMS Rajesh Kanna]

Exception timestamp: 11:28:16 GMT+0530 (India Standard Time)



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=== Client Info ===
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User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36
Local time: Tue Dec 15 2020 11:28:23 GMT+0530 (India Standard Time)

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=== Request ===
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URL: /systempermissions/editor-nonpub.json?_=1608011896014
Type: GET
Status: 404
Data: undefined

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=== System Info ===
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Plugin build: undefined