Middle Mouse Click in Topology Area Causes Crash Report Messages

[Fiveby21]

Describe the bug
Any time I middle-mouse click on the GUI, I get spammed with the following error messages:

Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'

****** Exception detected, traceback information saved in C:\Users<User>\AppData\Roaming\GNS3\3.0\exceptions.log ******

PLEASE REPORT ON https://www.gns3.com

GNS3 version and operating system (please complete the following information):

• OS: Windows 11
• GNS3 version 3.0.6
• Any use of the GNS3 VM or remote server (ESXi, bare metal etc.): GNS3 VM, 3.0.6

To Reproduce
Steps to reproduce the behavior:

1. Load up a Topology
2. Middle Mouse Click anywhere in the topology paine
3. Observe errors

Here is the exceptions log as referenced:

=== GNS3 3.0.5 traceback on 12 Mar 2026 19:45:16 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\qt_init_.py", line 178, in partial
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\topology.py", line 186, in _projectLoadedSlot
TypeError: disconnect() failed between 'project_loaded_signal' and all its connections
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):
File "C:\Users\circleci\project\Windows\gns3-gui\gns3\graphics_view.py", line 637, in mouseMoveEvent
TypeError: setValue(self, a0: int): argument 1 has unexpected type 'float'
=== GNS3 3.0.6 traceback on 17 Mar 2026 20:32:53 ===
Traceback (most recent call last):