Developer token error

An error has occurred: [QuotaCheckError.INVALID_TOKEN_HEADER @ ]

I'm using the php client lib for the adwords api

I created a test manager account and it shows me having a deveoper token

used the oauth playground to get my refresh token

I created a new client id and secret and added all this information to the auth.ini file

I serving this locally on WAMP

Any suggestions?

Thanks,

Alan

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