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Expr Error Codes

Evaluating Expr expressions may produce errors. Normally these errors are shown to the user with a human-readable message. However, in some cases you might need to check for a specific error using the ISERR function.

Error CodeNameDisplayed AsDescriptionHow to Fix
1Parse Error


The expression is invalid. The formula editor should highlight the problematic place with red.

If you hover the mouse pointer over the red area, a tooltip with the details of the problem is shown.

Review and edit the expression.
2Unknown Function


The expression calls a function that is not available or does not exist.

This error is also shown if you call a user-defined function, but the variable is not of the user function type, for example: WITH x = 1 : x(1).

  1. Review used functions in the expression to see if there are any typos in the names. Check the Expr Function Reference.
  2. If you're using user-defined functions, make sure the names you're calling refer to functions.
3Bad Number of Arguments


A function is used with an incorrect number of arguments.Review the expression and see if all functions are called with a correct number of arguments. Check the Expr Function Reference.
4Arithmetic Error


An arithmetic error was encountered. Most often it is division by zero, but it may also be something else, such as passing a non-integer value to a function that expects only an integer.

Review your formula to ensure you're not dividing by zero. (To avoid division by zero, use the IF expression.)

If this does not work, try separately calculating parts of the formula to identify the error.

5Variable Error


The field a variable is assigned to produced an error.

To fix, review the fields variables are assigned to and see why they could have produced an error for the row that shows this error.

Try viewing the related fields in separate (temporary) columns.

6Function Execution Error


A function suffered an internal error.

Contact Tempo Support for assistance.

As a workaround, review the latest changes you made to the formula and try to achieve the same some other way.

7Value Type Error


A value is of the wrong type and could not be converted to the type required by a function.

This error happens, for example, if a text value cannot be converted to a number, or if a fractional number is used where an integer is required.

Check the formula and function calls, make sure the values passed to the functions are of expected type.

Evaluate parts of the expression to debug.

8Malformed Regex


A text with invalid regular expression was passed to a matching function.Check the regular expressions that you use. See Expr Pattern Matching for details.
9Internal Error


There's an internal problem with Jira or Structure.

Contact Tempo Support for assistance.

10Invalid Value


An invalid value was passed as a function argument. For example, a string that could not be parsed as a date.Check arguments for the functions that expect specific values.
11Aggregation Error


The formula contains an unknown aggregate function or an invalid aggregate function modifier.Check that your aggregate function and modifiers are valid and spelled correctly.
12Execution Limit


The formula is too complex or caused deep recursion.

This error happens when a formula requires too many calculation steps, or if it contains too many nested function calls.

If the formula is indeed too large, consider breaking it down into multiple parts and calculating each part in a separate column.

If the formula does not seem too large, see if it applies a user function to a very large data set. Consider ways to reduce the data set.

If the formula is sophisticated, check if there may be endless recursion.

13Array Too Large


The array is too large. Structure places a limit on how many values an array may have.Consider reasons for having so many values in one array. Perhaps you could use an aggregation function instead.


Text Too Long


A text value is too long. Structure places a limit on how many characters a text value may contain.

Consider reasons for having such a long text value. Does your formula use the REPEAT function or convert long arrays to text?

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