3209976 - SQL Anywhere Error -1250: Table 'YYYYYY' is not a partitioned table - SAP IQ

Trying to add partition to an existing non partitioned table which has already data but hitting in the following error:

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1> alter table dba.range_test add partition by range( col1 ) ( p1 values <= ( 10 ) in iq_main );
2> go
Msg 13264, Level 16, State 0:
SQL Anywhere Error -1250: Table 'range_test' is not a partitioned table

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SAP IQ 16.1

partition table partitioned non-partitioned alter table by range 13264 SQL Anywhere Error -1250: Table  is not a partitioned table existing , KBA , BC-SYB-IQ , Sybase IQ , Problem