System Monitor error - field not found (timestamp)

[#1]

I am getting the follwing error when I tried to reload the system monitor when I get to the Session tab in the script.  I've tired it with verison 4.1 and 5.1.  Below is sample of the error:

Field not found - <Timestamp>

Sessions:

LOAD

  Date(Timestamp) &'_'& Time(Timestamp,'hh')&'_'& Time(Timestamp, 'mm') as DateHourKey,

  Capitalize(LOWER(SubField(Document,'\',-1))) as SessionDocName,

  Time(Timestamp) as SessionsTime,

  Timestamp as SessionsTimestamp,

  AutoNumber(Timestamp&Document) as DocUseKey,

Thanks,

Trung

[marcus_sommer]

Most often will be such error messages caused from typos or not enough attention on the case sensitive rules from qv or you have tried to load from a wrong table respectively the file-format entry isn't correct (most delimiter or ansi/utf).

- Marcus

[AC3]

I'm having the same problem, were you able to find a solution?

[#4]

I haven't found a solution.