Diagnosis
An error occurred during the attempt to create a picking wave.

• Problem while reading group type W (1)


• Problem while assigning a number for the picking wave (2)


• Problem while entering the WM reference in the group (3)


• Problem while reading the two-step picking (4)


• Problem while adding the group, deliveries of the group, or log (5)


• Other problems (6)

System Response
Picking waves cannot be created.


• Problem while reading group type 'W' (1)

Check in shipping Customizing that group type 'W' (picking wave)exists.

• Problem while assigning a number for the picking wave (2)

No number can be assigned for the picking wave. Check the shippingCustomizing regarding the number range for group type 'W'.

• Problem while entering the WM reference in the group (3) (This error
could have more than one cause)
The number range assigned to the group type for picking waves cannotoverlap number ranges from WM references for groups. Check inCustomizing to make sure these number ranges do not overlap.
Number range end: check the number range situation of the WM referencesfor groups in warehouse management.
Group WM reference blocked: the WM reference is blocked by anotherprogram. Try to carry out the process again later. If the error occursagain, contact the person responsible for your system.
Document has already been incorporated in a WM reference: the deliveryis already assigned to another picking wave and cannot be included in asecond one.

• Problem while determining picking relevance (4)

Check in the Customizing settings for two-step picking in warehousemanagement.

• Problem while adding the group, deliveries of the group, or log (5)

Contact the person responsible for your system.

• Other problems (6)

Contact the person responsible for your system.