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Bonus TIPS for Successful Posting

Try a Search First
It is highly recommended that a Search be done on your topic before posting, as many questions have been answered in prior posts. As with any search engine, the shorter the search term, the more "hits" will be returned, but the more specific the search term is, the greater the relevance of those "hits". Searching for "table" might well return every message on the board while "tablesum" would greatly restrict the number of messages returned.

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Evaluation Error

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    Evaluation Error

    I'm using A4V6.0.11, and everytime I make a simple change to my Database fieldrules, (for instance, add a line to a cascading table) or if I Reconfigure in any way, I can't Enter or Change a record. I get "Evaluation Error" message and the program doesn't allow me to go any futher than that. Thank goodness I've learned to backup before I make any changes, but I don't understand why this is happening. I need to make some changes to the DB

    Thanks for any help.

    Joan Hannan

    #2
    RE: Evaluation Error

    Hi Joan

    Evaluation errors usually mean something attached to your DBF/SET is unable to calculate because something has changed.

    Check your field rules to see if anything there refers to a field that was modified, i.e. changing a field from numeric to character or vice/versa.

    Check your indexes, if they refer to more than one field they might include one you changed.

    Check your sets, the linking expression might be referring to a modified field.

    Finally if you make changes to a Table, add them on to the end of the table. Avoid inserting a new field in the middle of an existing table. If you need to modify a field do the samething. Even if it means leaving an old redundant field in place.

    Good Luck

    Robert

    Comment


      #3
      RE: Evaluation Error

      Hi Joan

      I forgot about forms. Are you using a custom form? Have you tried data entry with the default form?

      You might have calculated fields on a custom form that are no longer valid when you made changes to your table/s.

      Robert

      Comment


        #4
        RE: Evaluation Error

        Thanks for taking the time to answer my question.

        I'm still perplexed over this thing. I tried using the default form, but had a repeat of the problem.

        The change I last tried to make was in adding a shipping method to my cascading table. It is information for my use only and has no effect on any of the calculations, etc. The message I get is "Evaluation Error - No Expression". I get that same error message regardless of what change I make. I think I'll just have to set up a new database with the changes built in.

        So thanks again. I do appreciate your help.
        Joan

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