Pyhon script error

[yousrakad]

Hey again,
after adding the get_elements.py script I get the following error:

DataSource.Error : ADO.NET : Ά φяŏБľеm όсĉūяřéđ щħιļέ þґøĉєѕšίиģ ýσûґ Рýŧĥøņ śčřϊρŧ.
Нêяё ǻгĕ ťнё ţэснʼnįčдļ đëťãίĺś: Une exception de type 'Microsoft.Mashup.Engine.Interface.InvalidResourceCredentialsException' a été levée.
Détails :
DataSourceKind=Python
DataSourcePath=Python
Message=Ά φяŏБľеm όсĉūяřéđ щħιļέ þґøĉєѕšίиģ ýσûґ Рýŧĥøņ śčřϊρŧ.
Нêяё ǻгĕ ťнё ţэснʼnįčдļ đëťãίĺś: Une exception de type 'Microsoft.Mashup.Engine.Interface.InvalidResourceCredentialsException' a été levée.
ErrorCode=-2147467259
ExceptionType=Microsoft.PowerBI.Scripting.Python.Exceptions.PythonUnexpectedException

Unfortunately when clicking on source to reconnect again nothing happen.