S05015
Error Code
S05015
Error Message
Can't drop a key column. RefId: S05015
Probable Causes
This error occurs when the key column of a keyed or indexed in-memory table is deleted.
For example:
t = keyedTable(`id, table(1 2 3 as id, 10 20 30 as val))
t.dropColumns!(`id)
t = indexedTable(`id, table(1 2 3 as id, 10 20 30 as val))
t.dropColumns!(`id)
Solutions
Do not delete any key column of keyed or indexed in-memory tables.