Camunda 8.7.0-alpha1 Connector REST returns 8.7.0-alpha1 in POST request

Greetings everyone,
I updated my camunda to 8.7 and all my POST requests when using Connector Rest give me the error:

An error occurred: null","type":"io.camunda.connector.api.error.ConnectorException","message":"java.lang.NullPointerException"