Error 

DATE_FORMAT: Wrong usage: invalid date string specified; Invalid date value specified in source string
    while executing
"system_error "$msg""
    (procedure "error" line 9)
    invoked from within
"error {DATE_FORMAT: Wrong usage: invalid date string specified; Invalid date value specified in source string}"
    invoked from within
"DATE_FORMAT [SHOW datefixx] "D T" "DATETIME""
    invoked from within
"SET ourTime [DATE_FORMAT [SHOW datefixx] "D T" "DATETIME"]"