Uncaught PhpOffice\PhpSpreadsheet\Calculation\Exception: Worksheet!C19981 -> Formula Error:

[djeraseit]

This is:

• a bug report

What is the expected behavior?

Data is read successfully. Simple CSV. Should not be doing any calculations

What is the current behavior?

It hiccups partway through the file

PHP Fatal error:  Uncaught PhpOffice\PhpSpreadsheet\Calculation\Exception: Worksheet!C19981 -> Formula Error: An unexpected error occured in /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/Cell.php:273
Stack trace:
#0 /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/Worksheet.php(2551): PhpOffice\PhpSpreadsheet\Cell\Cell->getCalculatedValue()
#1 /l/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/Worksheet.php(2626): PhpOffice\PhpSpreadsheet\Worksheet\Worksheet->rangeToArray('A1:AY20099', NULL, true, true, true)
#2 //includes/functions.php(1009): PhpOffice\PhpSpreadsheet\Worksheet\Worksheet->toArray(NULL, true, true, true)
#3 /includes/import-single-spreadsheet.php(53): importCSV('xxxx', 'https://www.who...')
#4 {main}
  in /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/Cell.php on line 273

Fatal error: Uncaught PhpOffice\PhpSpreadsheet\Calculation\Exception: Worksheet!C19981 -> Formula Error: An unexpected error occured in /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/Cell.php:273
Stack trace:
#0 /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/Worksheet.php(2551): PhpOffice\PhpSpreadsheet\Cell\Cell->getCalculatedValue()
#1 /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/Worksheet.php(2626): PhpOffice\PhpSpreadsheet\Worksheet\Worksheet->rangeToArray('A1:AY20099', NULL, true, true, true)
#2 /public_html/includes/functions.php(1009): PhpOffice\PhpSpreadsheet\Worksheet\Worksheet->toArray(NULL, true, true, true)
#3 //includes/import-single-spreadsheet.php(53): importCSV('xxxx', 'https://www.who...')
#4 {main}
  in /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/Cell.php on line 273

What are the steps to reproduce?

Please provide a Minimal, Complete, and Verifiable example of code that exhibits the issue without relying on an external Excel file or a web server:

<?php

require __DIR__ . '/vendor/autoload.php';

try {
$spreadsheet = $reader->load($filename);
} catch(\PhpOffice\PhpSpreadsheet\Reader\Exception $e) {
    die('Error loading file: '.$e->getMessage());
}

    //  Do some processing here
$rows = $spreadsheet->getActiveSheet()->toArray(null, true, true, true);
    // var_dump($rows);

Which versions of PhpSpreadsheet and PHP are affected?

php 7.0

[PowerKiKi]

Please provide a Minimal, Complete, and Verifiable example of code that exhibits this issue without relying on an external Excel file.