jpl.PrologException: PrologException: error(existence_error(procedure, /(isAt, 3)), context(:(system, /('$c_call_prolog', 0)), _1))

Stack Overflow | David Farthing | 6 months ago
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    SWI Prolog Java jpl.PrologException Query not working

    Stack Overflow | 6 months ago | David Farthing
    jpl.PrologException: PrologException: error(existence_error(procedure, /(isAt, 3)), context(:(system, /('$c_call_prolog', 0)), _1))

    Root Cause Analysis

    1. jpl.PrologException

      PrologException: error(existence_error(procedure, /(isAt, 3)), context(:(system, /('$c_call_prolog', 0)), _1))

      at jpl.Query.get1()
    2. jpl
      Query.hasMoreElements
      1. jpl.Query.get1(Query.java:336)
      2. jpl.Query.hasMoreSolutions(Query.java:258)
      3. jpl.Query.hasMoreElements(Query.java:472)
      3 frames