Turned out to be gap://ready As a result of csp problem , The log will have this prompt

The solution is in your index.html add to gap: Of csp To configure

<meta http-equiv="Content-Security-Policy" content="img-src * 'self' data:; default-src * 'self' gap: ; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; ">

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