Comments for SAP EWM Help

Comment on How to Pallet Packing in SAP ECC by admin

admin — Sat, 18 Jul 2026 18:56:47 +0000

How to Do Pallet Packing in SAP ECC (Nesting an Outer Box HU into a Pallet HU)

Question

I need to pack an already-built outer box (a lower-level Handling Unit) onto a pallet HU in SAP ECC using standard function modules. What's the correct sequence, and how do I build the packing request so the box gets nested inside the pallet? Below is the approach I used.

Answer

The concept here is HU nesting — like Russian nesting dolls: the product sits in a box, and that box (the outer box HU) sits on a pallet (the pallet HU). This routine performs one nesting step: placing the outer box into the pallet.

The key is to follow the standard sequence in order — Refresh → Get/Lock HUs → Pack → Post. Skipping any step (especially the refresh or the lock) is the usual cause of packing that "works once then silently fails."

Building the packing request (ls_pack_req):

venum / exidv → the target pallet HU (what you pack into)
sub_hu_venum / sub_hu_exidv → the content outer box HU (what gets packed)
pagew → weight, veanz = 1 → one unit, velin = 3 → item category for HU-in-HU (packing a whole HU, not loose material)

The four SAP standard function modules used:

Function Module	Purpose
`HU_PACKING_REFRESH`	Clears the HU work buffer for a clean start
`HU_GET_HUS`	Reads and locks both HUs for exclusive access
`HU_PACKING_AND_UNPACKING`	Performs the actual packing in the buffer
`HU_POST` (`if_commit = 'X'`)	Saves and commits the result to the database

After each call, sy-subrc is checked. On failure, the SAP message is captured into the status field and the routine exits; on success, the record is stamped with status, date, time, and user.

Code

ls_pack_req-venum = ls_vekp_pal-venum. ls_pack_req-exidv = ls_vekp_pal-exidv. *--Fill Outerbox as lower level HU ls_pack_req-sub_hu_venum = ls_vekp_out-venum. ls_pack_req-sub_hu_exidv = ls_vekp_out-exidv. *--Fill quantity ls_pack_req-pagew = ls_pallet-pallet_wt. ls_pack_req-veanz = '1'. ls_pack_req-velin = '3'. ls_venom-venum = ls_vekp_out-venum. append ls_venom to lt_venom. clear ls_venom. ls_venom-venum = ls_vekp_pal-venum. "gs_pallet-venum. append ls_venom to lt_venom. clear ls_venom. *--Refresh call function 'HU_PACKING_REFRESH'. *--Get HU headers call function 'HU_GET_HUS' exporting if_object = '04' if_lock_hus = 'X' it_venum = lt_venom importing et_header = lt_header exceptions hus_locked = 1 no_hu_found = 2 fatal_error = 3 others = 4. *--Do the packing if sy-subrc eq 0. call function 'HU_PACKING_AND_UNPACKING' exporting is_packing_request = ls_pack_req exceptions missing_data = 1 hu_not_changeable = 2 not_possible = 3 customizing = 4 weight = 5 volume = 6 serial_nr = 7 fatal_error = 8 others = 9. if sy-subrc = 0. call function 'HU_POST' exporting if_synchron = 'X' if_commit = 'X'. <lfs_data>-status = text-020. <lfs_data>-error_msg = text-s01. <lfs_data>-idate = sy-datum. <lfs_data>-itime = sy-uzeit. <lfs_data>-iuser = sy-uname. else. <lfs_data>-status = text-019. message id sy-msgid type sy-msgty number sy-msgno with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 into <lfs_data>-error_msg. lv_error = abap_true. lv_msg = <lfs_data>-error_msg. exit. endif. else. <lfs_data>-idate = sy-datum. <lfs_data>-itime = sy-uzeit. <lfs_data>-iuser = sy-uname. <lfs_data>-status = text-019. message id sy-msgid type sy-msgty number sy-msgno with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 into <lfs_data>-error_msg. lv_error = abap_true. lv_msg = <lfs_data>-error_msg. exit. endif.

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Comment on Why Is Warehouse Task Not Getting Created Automatically in SAP EWM? by PrafulAnand

PrafulAnand — Fri, 17 Apr 2026 11:02:39 +0000

If warehouse tasks (WT) are not getting created automatically in SAP EWM, it usually means there is an issue with configuration, master data, or process determination.

Even if the delivery is created, EWM will only create WT when all required settings are correct.

Step-by-Step Troubleshooting

Step 1: Check Delivery in EWM

Go to:

/SCWM/MON

Verify:

Delivery exists in EWM
Item status is correct

✔ If delivery is missing → issue is integration related

Step 2: Check Warehouse Process Type (WPT)

Warehouse Task creation depends on WPT.

Check:

Correct WPT is determined
WPT is assigned to the process (putaway/picking)

✔ Wrong or missing WPT = No WT created

Step 3: Check Storage Type Search Sequence

System needs to find destination/source bin.

Verify:

Storage type search is maintained
Valid storage types exist

✔ If system cannot find storage → WT not created

Step 4: Check Activity Area

Ensure:

Storage bins are assigned to activity area
Activity area is relevant for picking

✔ Missing activity area = WT creation fails

Step 5: Check Stock Availability (For Picking)

If outbound:

Stock must be available in correct bin

✔ No stock = No picking WT

Step 6: Check Queue (Important)

Go to:

SMQ2

Look for:

Stuck queues
Errors blocking WT creation

Step 7: Check Logs

Go to:

SLG1

Enter object related to delivery or EWM

✔ Helps identify hidden errors

Common Reasons (Simple)

Missing or incorrect Warehouse Process Type
Storage type search not maintained
Activity area not assigned
No stock available (for picking)
Queue stuck or failed
Incomplete master data

Real-Time Example

In one project:

Delivery was created
No WT generated

Root cause: Storage type search sequence missing

Fix:

Maintained search sequence
WT created successfully

Best Practices

Always validate WPT during configuration
Maintain proper storage type search
Ensure master data (product, bin, stock) is correct
Regularly monitor /SCWM/MON and SMQ2
Test end-to-end process during setup

Quick Tips

First check: Delivery → WPT → Storage Type → Queue
Don’t assume issue → always check logs
Use /SCWM/MON filters to find missing WT

💬 Conclusion

Warehouse task not getting created is usually due to missing configuration or master data. A step-by-step check of WPT, storage type, and queues will quickly identify the issue.

Comment on How to Fix qRFC Queue Errors Blocking Inbound Delivery Processing in SAP EWM? by PrafulAnand

PrafulAnand — Fri, 17 Apr 2026 10:46:10 +0000

qRFC queue errors are one of the most common issues in SAP EWM, and they can block inbound delivery processing completely.
If queues are stuck in SMQ2, it usually means something failed during data transfer between S/4HANA and EWM.

Step-by-Step Troubleshooting

Step 1: Check the Queue Error (Most Important)

Go to:

SMQ2 (Inbound Queue)

Open the stuck queue and check:

Error message
Function module name
Queue name

✔ This gives the exact root cause

Step 2: Analyze Error Details

Click on the error → Display details

Common errors you may see:

Missing Business Partner
Product not available in EWM
Configuration missing
Authorization issue

Step 3: Fix the Root Cause

Based on the error:

Missing BP → Replicate Business Partner
Missing Product → Extend product to EWM
Config issue → Correct settings in SPRO

Always fix the issue before reprocessing queue

Step 4: Reprocess the Queue Safely

After fixing:

Go back to SMQ2
Select the queue
Click Execute (F8)

✔ Queue should process successfully

Step 5: Verify in EWM

Go to:

/SCWM/MON

Check:

Inbound delivery created
Warehouse tasks generated

Common Causes of qRFC Errors

Missing master data (BP, Product, Location)
Incorrect integration settings
Queue dependency issues
System dump or short dump
Lock issues or parallel processing problems

Real-Time Example

In one project:

Queue stuck in SMQ2
Error: Business Partner not found

Fix:

Replicated BP using standard program
Reprocessed queue

✔ Inbound delivery processed successfully

Best Practices to Avoid Queue Issues

Regularly monitor SMQ1 / SMQ2
Ensure master data is always synced
Avoid manual deletion of queues
Set up alerts for queue failures
Test integration scenarios properly

Quick Tips

Always check error message first (don’t guess)
Never reprocess queue without fixing issue
Use SLG1 for additional logs
Check dumps in ST22 if needed

💬 Conclusion

qRFC queue errors are usually caused by missing data or integration gaps. Once you identify the root cause in SMQ2, fixing and reprocessing the queue will resolve the issue.