Operating method for a planning tool , - wherein a control program for an industrial technical control system is created by means of the planning tool , - wherein the control program comprises program data (P), - wherein names (N) are assigned to the program data (P) by the planning tool on the basis of corresponding specifications (V) by a user of the planning tool , on the basis of which names the program data (P) is individualised in relation to the other program data of the control program , - wherein after its creation by the planning tool , the control program is transmitted to a data processing facility , - wherein the planning tool checks the names (N) of the program data (P) of the control program before the transmission of the control program to the data processing facility , by means of a checking routine , for compatibility with the data processing facility , - wherein the planning tool , whenever it identifies an incompatibility by means of the checking routine , outputs a corresponding error message (F) to the user , and whenever it identifies no incompatibility by means of the checking routine , either outputs no message or a message (OK) indicating that no error has been identified to the user , - wherein the planning tool receives an assessment (B) from the data processing facility , which is based on whether the names (N) of the program data (P) of the control program meet the restrictions of the data processing facility , and - wherein the planning tool retrains the checking routine on the basis of the relevant control program and the received assessment(B) so that the checking routine gradually learns which names (N) for the program data (P) are compatible with the data processing facility . - wherein a control program for an industrial technical control system is created by means of the planning tool , - wherein the control program comprises program data (P), - wherein names (N) are assigned to the program data (P) by the planning tool on the basis of corresponding specifications (V) by a user of the planning tool , on the basis of which names the program data (P) is individualised in relation to the other program data of the control program , - wherein after its creation by the planning tool , the control program is transmitted to a data processing facility , - wherein the planning tool checks the names (N) of the program data (P) of the control program before the transmission of the control program to the data processing facility , by means of a checking routine , for compatibility with the data processing facility , - wherein the planning tool , whenever it identifies an incompatibility by means of the checking routine , outputs a corresponding error message (F) to the user , and whenever it identifies no incompatibility by means of the checking routine , either outputs no message or a message (OK) indicating that no error has been identified to the user , - wherein the planning tool receives an assessment (B) from the data processing facility , which is based on whether the names (N) of the program data (P) of the control program meet the restrictions of the data processing facility , and - wherein the planning tool retrains the checking routine on the basis of the relevant control program and the received assessment(B) so that the checking routine gradually learns which names (N) for the program data (P) are compatible with the data processing facility . <EOS>