---
title: Troubleshooting CSV Ticket Import Errors
description: Common Issues and Solutions
---

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# Troubleshooting CSV Ticket Import Errors

If your CSV file import fails, it is likely due to incorrect data or formatting. Below are common issues and their solutions.

**Common Issues and Solutions**

| Type | Target | Example Error Content | Error Message |
| --- | --- | --- | --- |
| Not a CSV File | Common | `sample.txt`, `sample.doc` | Invalid file format. Please import a CSV file. |
| Incorrect Character Encoding | Common | `EUC-JP`, `ASCII` | Character code is not {Encoding name}. |
| Missing Header | Common | - | Header row not found. Please add a header according to the template. |
| Incorrect Header Name | Common | `Subsequent Task` | The header row contains an incorrect value. Please follow the template. |
| Missing Required Column | Common | - | Required column not found. Please add all required columns according to the template. |
| Incorrect Column Order | Common | `Parent WBS No, WBS No` | Column order is incorrect. Please follow the template. |
| Record Count Exceeded | Common | - | The record count check exceeds the limit (Max: {limit} records). |
| Blank Row | Common | - | No data is entered in this row. |
| Data Columns Exceed Header Count | Common | - | Data columns exceed the number of header columns. |
| Required Field Missing | WBS No, Classification, Title, Status, Creator, Creation Date | - | \[Item\] is required. |
| Character Limit Exceeded | Title (255 chars), Details (32767 chars), Corresponding Team (100 chars) | - | \[Item\] must be within \[max\] characters. |
| Invalid Number Format | Planned Time, Actual Time | `a` | \[Item\] is invalid. Please enter a number greater than or equal to 0 (up to 2 decimal places). |
| Invalid Email Format | Email Address, Watcher, Creator | `testexample.com` | The format of \[Item\] is incorrect. |
| Invalid Date Format | Start Date, Due Date, Actual Start Date, Actual End Date, Creation Date, Updated Date | `2025-12-31` | \[Item\] must be entered in YYYY/MM/DD format. |
| Existence Check Failed | Assignee Email, Corresponding Team, Watcher, Creator, Related Items, Preceding Tasks | `TeamZZZ` | \[Item\] "{TeamZZZ}" does not exist. |
| Invalid Priority Value | Priority | `Urgent` (If the input is incorrect) | Priority must be one of the following: Urgent, High, Medium, or Low. |
| Milestone Start Date Check | Start Date | `2025/08/21` | A Start Date cannot be set for a Milestone. Please enter a Due Date only. |
| Target Ticket Does Not Exist | ID | 1 | An error occurs if the specified ID exists but the corresponding ticket cannot be found. |
| Deletion Specification Error | Delete | Delete | An error occurs if "Delete" is specified but the ID does not exist, the ID is invalid, or "Delete" is specified for a temporary ID. |
| Parent Ticket / Related Item Reference Error | Parent WBS No. Parent Ticket No. Related Items | - | An error occurs if the specified reference ID or temporary ID does not exist within the CSV file or the system. |
| ID Constraint Error | ID Temporary ID | - | An error occurs if both ID and Temporary ID are specified, or if both are left blank. |
| Duplication Error | ID Temporary ID | - | An error occurs if there is a duplicate between IDs, temporary IDs, an ID and a temporary ID, or a temporary ID and an existing ticket ID. |
| Circular Reference Error | Parent Ticket No. Related Items | - | An error occurs if a circular reference is detected (e.g., A → B → C → A) or if a ticket specifies itself as its parent. |
| Predecessor Task Reference Error | Predecessor Task | - | An error occurs if the specified predecessor task does not exist. |
| Insufficient Permissions | Common (All Fields) | - | An error occurs if you lack the required update or deletion permissions for the project, ticket, or specific field. |

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