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Service to service OAuth2 error :IDX10501: Signature validation failed.

I have installed Business Central on premise version 19.6 and configured the integration with Azure AD.

I'm able to connect using Azure AD user to my business central.

After i have made the Server to Server configuration with OAuth2 as explained on docs.microsoft.com/.../automation-apis-using-s2s-authentication

I receive the token from Azure AD but when I try to call

https://<my host>:7048/BC190/api/beta

I receive the error:

"error": {

"code": "Unknown",

"message": "IDX10501: Signature validation failed. Unable to match key: \nkid: 'System.String'.\nExceptions caught:\n 'System.Text.StringBuilder'. \ntoken: 'System.IdentityModel.Tokens.Jwt.JwtSecurityToken'. CorrelationId: 8dcef1e4-3d2a-4b2f-a166-18300365caf2."

}

On the EventViwer I have the event ID 216:

Server instance: BC190
Tenant ID:
Environment Name:
Environment Type:
Type: Microsoft.IdentityModel.Tokens.SecurityTokenSignatureKeyNotFoundException
Message: IDX10501: Signature validation failed. Unable to match key:
kid: 'System.String'.
Exceptions caught:
'System.Text.StringBuilder'.
token: 'System.IdentityModel.Tokens.Jwt.JwtSecurityToken'.

Any idea to solve the problem or I can specify the correct the problem?

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