SAP Note 27261 - IA11: Message CT717 - Type T is not defined

Symptom:

Message CT717: Plan type T is not defined (check entry)

Cause and prerequisites

Missing table entry in TCA35.

Solution
Please make the following table entry in TCA35 with transaction SM31:
Plan type : T
Object name: ROUTING_T
NoRange i : 01
NoRange e :
Doc : X
Mat :
TL :
Doc :

Then define in Customizing the number classification '01' for routing to
a functional location. This number classification may not be employed
for a number issued externally.

-> maintenance
-> preventive maintenance
-> routing
-> control data
-> number classifications for plans to specify a
functional location

Additional key words

TCA35, IA11