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Can anybody explain why the code in the reply section keeps logging the first variable? It gets logged a hundred times and gets this error: RangeError Maximum call stack size exceeded; ID:.

`/**`
 `* @NApiVersion 2.0`
 `* @NScriptType ClientScript`
 `* @NModuleScope SameAccount`
 `*/`

 `define(['N/currentRecord'], function (currentRecord) {`
  `function fieldChanged(context) {`
    `var currentRecord = context.currentRecord;`

    `if (context.fieldId === 'cseg1') {`
      
      `var headerFinancialLoc = currentRecord.getValue({`
        `fieldId: 'cseg1'`
      `});`

      `log.debug('headerFinancialLoc: ', headerFinancialLoc);`

      
      `var lineCount = currentRecord.getLineCount({`
        `sublistId: 'item'`
      `});`

      `log.debug('Line Count: ',lineCount)`

      `for (var i = 0; i &lt; lineCount; i++) {`
        `var lineFinancialLoc = currentRecord.getCurrentSublistValue({`
          `sublistId: 'item',`
          `fieldId: 'cseg1',`
          `line: i`
        `});`

        `log.debug('Line Financial Location: ', lineFinancialLoc)`

        
        `if (!lineFinancialLoc) {`
            `currentRecord.setCurrentSublistValue({`
            `sublistId: 'item',`
            `fieldId: 'cseg1',`
            `line: i,`
            `value: headerFinancialLoc`
          `});`
        `}`
      `}`
    `}`
  `}`

  `function lineInit(context) {`
    `var currentRecord = context.currentRecord;`

    `var headerFinancialLoc = currentRecord.getValue({`
      `fieldId: 'cseg1'`
    `});`

    `currentRecord.setCurrentSublistValue({`
      `sublistId: 'item',`
      `fieldId: 'cseg1',`
      `value: headerFinancialLoc`
    `});`
  `}`

  `return {`
    `fieldChanged: fieldChanged,`
    `lineInit: lineInit`
  `};`
`});`

client script entry points can trigger other entry points

in this case, your lineInit is triggering your fieldChanged

and more troubling, your fieldChanged is triggering your fieldChanged

Hi <@U5TF1GQ20>, thank you for explaining. Is there a way to stop the “loop”?

you can add a if lineFinancialLoc !== value of cseg1

your fieldChanged is triggering for 2 different fields, when you only want 1

your if statement at the top is not specific enough to distinguish them since they have the same field id