MEDIAN(double) not found

Hello, We use MonetDB Jan2014-SP2. When I try MEDIAN function it simply says: MEDIAN: no such operator 'median(double)' [SQL State=22000]

Am I missing something? I tried to execute section of 39_analytics.sql containing the MEDIAN function. It says MEDIAN function is already there.

Thank you for any tips.

Radovan

Test Case: I took the sql from bug 2454: select median(id) from sys.tables;

result: An error occurred when executing the SQL command: select median(id) from sys.tables

MEDIAN: no such operator 'median(int)' [SQL State=22000]

Execution time: 0.03s

1 statement failed.