The transaction CTNK (Number Ranges for Characteristics) is a standard transaction in SAP ERP and is part of the package CT. It is a Parameter / Variant Transaction and is connected to screen 100 of program SAPMSNUM.
Transactions in SAP ERP are used to execute functionality by calling programs, function modules,
object methods or other transactions. Their transaction code is entered by the user in the action
box of the SAP Gui, but they can be also executed from ABAP programs with the CALL
TRANSACTION command. ABAP developers distinguish between several types of transactions.
All types of transactions can be created by using the ABAP workbench object navigator (transaction SE80) or with the dedicated maintenance transaction SE93. Below, a summary of technical data for this transaction can be found.
| Transaction | CTNK |
| Short Text | Number Ranges for Characteristics |
| Package | CT |
| Transaction Type | Parameter / Variant Transaction |