MQ860 - Table field &1 belongs to the key from table &2 and must be declared

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 860

• Message text: Table field &1 belongs to the key from table &2 and must be declared

What causes this issue?

When selecting table fields, a field must also be converted that exists
within the KEYs of this table.

How to fix this error?

You have the following options.
If you decide:
There can be no duplicate records. Other KEY fields can uniquely
identify each record, then
NO DUPREC - NO SUMUP
Duplicate records can arise that
Can be combined into one record. SUMUP logic is used. All numerical
fields are totaled up, then
DUPREC - SUMUP possible
Cannot be combined. You must write your own special program that
decides (for example) which record is to be seen as the leading record.
All subordinate data is then transferred to this record.
DUPREC - special program
This table is not transferred to the control tables.

Error message extract from SAP system. Copyright SAP SE.