mapeditor / mapeditor/tiled

Tiled Crashes when switching from importing Collection of Images Tileset type to Based on Image type

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Dominant language
C++
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Description

**Describe the bug**
Tiled Crashes when switching from importing "Collection of Images" Tileset type to "Based on Image" type.

**To Reproduce**
Steps to reproduce the behavior:
1. Click on New Tileset
2. Set type to "Collection of Images".
3. Set type back to "Based on Image".
4. Crash.

**Expected behavior**
I expect it should not crash and I should be able to import a single image tileset.

**Specifications:**
- OS: Ubuntu 22.4
- Tiled Version: 1.11.0

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the crash through the New Tileset workflow: select "Collection of Images," switch to "Based on Image," and capture the failure details. Trace the type-switch handling and verify that the transition no longer crashes and allows importing a single-image tileset.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
desktop
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
45/100

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