Create treatment tables crashes with: failed to find conversion function from "unknown" to text;

[jmt0816]

When Running Run study the program runs for over 20min and then returns an error like:
Counting staging cohorts
Counting cohorts took 0.585 secs
censoring 74 values (7%) from cohortEntries because value below minimum
censoring 74 values (7%) from cohortSubjects because value below minimum
Generating time to event data
Generating time to event data took 3.59 mins
Generating time to treatment switch data
Create treatment tables
|=================================================================================== | 57%Error in .createErrorReport():
! Error executing SQL:
java.sql.SQLException: Amazon Invalid operation: failed to find conversion function from "unknown" to text;

I am running an almost identical version of the codetorun from version 1.2 to 1.3. I did not get this error running version 1.2 but I do get the error on version 1.3.