Okay, thanks! Forgot to ask you about the DHIS2 version you are using? Please consider using the latest versions.
Hopefully that will help for a start. I see these errors:
However, these remain generic errors which simply indicate that it’s failing but doesn’t specify what exactly isn’t working. So I want to ask you some of the questions usually asked by @zubair which will help us gather more info to resolve this.
Please get the whole list of gateways configured in the system. Get the complete JSON shared from the api/gateways endpoint.
Good, this is also recommended by @zubair, and it means you will need to check the configuration:
I think you might also need to share the API document for the SMS service you are using…