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Integrate It! SAP EWM and SAP ERP integration via CIF. Step-by-step guide

You have Distributed System Landscape with EWM Installed on an Own Server and ERP (S/4HANA)  and want to integrate them via CIF-interface*. This blog-post contains a step-by-step guide and some tips based on hands-on experience.
*CIF (Core Interface) is technically part of the integration for master and transaction data between S/4HANA and SCM-system

Quote.

“The increased scale and complexity of SAP and non-SAP systems challenges require that we look for ways to simplify the system-integration requirements”
This quote about a series of blog-posts (“Integrate it…”) about integration between different SAP and non-SAP systems
Another posts from this series (The list is being updated.)
Integrate It! – LUW debug step by step guide
Integrate it! – SAP and MES integration. Step-by-step guide
Integrate it! – Qlick View/Sense and SAP integration. Step-by-step guide
Integrate it! – SAP BW. Extract data from remote MS SQL Server. Step by step guide
Integrate it! – Qlick View/Sense and SAP HANA integration. Step-by-step guide

Resolution.

Step 1. Create  RFC-users

Step 1.1. Create RFC user in ERP
Transaction – SU01 – User Maintenance
User: RFCREMOTE (for example)
User Type:  Communication
Profile: S_ENTW_SHOW
Step 1.2. Create RFC user in EWM
Transaction – PFCG – Role Maintenance
Copy role /SCWM/ERP_EWM_INTEGRATION in /ZSCWM/ERP_EWM_INTEGRATION
and Generate profile
Transaction – SU01 – User Maintenance
User: RFCREMOTE
User Type:  Communication
Role: /ZSCWM/ERP_EWM_INTEGRATION
Links:
Check For or Create an RFC User and ALEREMOTE User in SAP ERP
SAP Extended Warehouse Management 9.5 Security Guide

Step 2.Create RFC-settings

Step 2.1 Create RFC connection in ERP
Transaction – SM59 – RFC Destinations
Type: 3(ABAP Connection)
Name: <SID>CLNT<CLIENT No>
where SID, CLIENT No relevant for ERP
Target host: EWM host
User/Pass: User RFCREMOTE  and password from Step 1
Step 2.2. Create RFC connection in EWM
Transaction – SM59 – RFC Destinations
Type: 3(ABAP Connection)
Name: <SID>CLNT<CLIENT No>
where SID, CLIENT No relevant for ERP
Target host: ERP host
User/Pass: User RFCREMOTE  and password from Step 1

Step 3. Define Logical system

Step 3.1. Settings in ERP:
Transaction -BD54 – Define Logical System
Define Logical System for <SID>CLNT<CLIENT No>
where SID, CLIENT number relevant for EWM
Step 3.2.Settings in EWM:
Transaction – BD54 – Define Logical System
Define Logical System for <SID>CLNT<CLIENT No>
where SID, CLIENT number  relevant for ERP

Step 4. Activate business functions in the Switch Framework

Step 4.1. Settings in ERP:
Transaction – SFW5 – Switch Framework Customizing
Activate:
LOG_SCM_EWM_INT

Step 5. Multiple SPRO settings

Step 5.1. Settings in ERP. The defining queue for transfer to SAP EWM
Start transaction SPRO and in the IMG, choose Logistics Execution >Extended Warehouse Management Integration >Basic Setup of Connectivity  >Define Queue for Transfer to SAP EWM.
Links:
The defining queue for transfer to SAP EWM
Step 5.2. Settings in ERP. Basic Settings for Setting Up the System Landscape
Start transaction SPRO and in the IMG, choose
Integration with other SAP components > Extended Warehouse Management >
Basic Settings for Setting Up the System Landscape >Specify SAP APO Release

Step 6.  Setting up QOUT Scheduler

Step 6.1. Settings in ERP:
Transaction – SMQS -Setting up QOUT Schedule
Select Register without activation.
Destination  – RFC destination to EWM
Max. Conn.                    2
Max. Runtime                60 (Default)
W/o tRFC                        Empty (Default)
Scheduler Monitoring  1.800 seconds (Default)
Step 6.2. Settings in EWM:
Transaction – SMQS -Setting up QOUT Schedule
Select Register without activation.
Destination  – RFC destination to ERP
Max. Conn.                    2
Max. Runtime                60 (Default)
W/o tRFC                        Empty (Default)
Scheduler Monitoring  1.800 seconds (Default)

Step 7. Setting up QIN Scheduler

Transaction – SMQR – Registering a Queue Name
Step 7.1. Settings in ERP:
EWM*, QM*, DLW*,QI*, WM queues must be scheduled
Handler (program name) – /SPE/QUEUE_DISPLAY_TOOLS
Step 7.2. Setting in EWM:
CF*, DLW*,QI* queues must be scheduled

Step 8. Target System Independent Settings in CIF

Step 8.1. Settings in ERP:
Transaction – CFC9 – Target-System-Ind. Settings in CIF
My friendly advice:  Change Transfer for Master Data to 1 – ALE Change Transfer Periodic

Step 9.  Integration Jobs

Step 9.1. Settings in ERP:
Few words about standard ABAP integration reports
report RIMODDEL – Delete the old, inactive version of the integration model
report RIMODGEN – Create a new version of the corresponding integration model
report RIMODAC2 – Deactivate/Activate the new version
report RIMODINI –  Initial transfer of certain master data without Deactivating the associated integration model.
Job (my friendly job name purpose):
INTEGRATION_ERP_EWM_BATCH
INTEGRATION_ERP_EWM_MAT
INTEGRATION_ERP_EWM_CUS
INTEGRATION_ERP_EWM_VEN
Steps inside of each of this job:
Explanation of job steps:
No1 – Deactivate integration model. Only non-active models can be deleted.
No2 – Delete obsolete integration models. Clean-up phase.
No3 – Generate integrate model.
No4 – Activate the integration model and transfer it to the target system.

Step 10. Monitoring

Monitoring is one of the benefits of using integration jobs
A friendly advice use function – “Job monitoring” in Solution Manager 7.2
Look at more about monitoring in my separate blog-post SAP Monitoring and Situation Center. Step-by-step guide
See chapter “Step 6 / Tab #6. Job Monitoring”
You immediately receive an e-mail alert if the problem with integration occurred.

Troubleshooting.

Problem:

Transaction SMQ2
Queue in SYSFAIL status
Reason: Batch/Material/etc was blocked

Resolution:

Schedule Job
INTEGRATION_ERP_EWM_RSQOWKEX (my friendly job name purpose)
Job frequency: 5 minutes
ABAP-report:  RSQOWKEX
Variant: CIF
Schedule Job
INTEGRATION_ERP_EWM_RSQIWKEX (my friendly job name purpose)
Job frequency: 5 minutes
ABAP-report:  RSQIWKEX
Variant: EWM
Variant explanation:
Notes/Links:
552322 – RSQOWKEX and RSQIWKEX
https://launchpad.support.sap.com/#/notes/255232

Problem:

Integration Materials/Batch  is failed with the error:

Resolution:

Transaction – CUNI – Unit of Measures
Inconsistency between ERP/EWM at this point may lead to an error during ERP/EWM integration

Problem:

Integration Customers/Vendors is failed with the error:
No location ZZZ exists for mapping entry XXX of cat.YYY BSG S4HANA

Resolution:

Conclusion

Approach to SAP ERP – SAP EWM integration was provided.
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