'this.tokenGetter is not a function

I am trying to send a post request on Angular project, it works fine on localhost, but when I deploy it on Server it gave me an error

 this.tokenGetter is not a function

here is the post request code

dataExportViaFilterId(model: Model) {
    return this.http.post<DataExportResponseDTO>(`${constants.DATAEXPORT_BASE_URL}`, model);
  }

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