Invalid HighLevelIL tokens at function braces in Pseudo C / Objective C / Rust

[UvuvDev]

Version and Platform (required):

• Binary Ninja Version: at least stable 5.3.9434 -> 6.0.10501-dev
• Edition: Ultimate
• OS: macOS 26, macOS 27, Windows

Bug Description:
When double clicking a brace for a function definition inside Pseudo-C, Pseudo Objective-C, and Pseudo Rust, An error occurs:

[Default] Invalid HighLevelIL token exprIndex 11 in HighLevelLanguageRepresentationFunctionGraph of c14 (reported instrIndex 18446744073709551615

Steps To Reproduce:
Please provide all steps required to reproduce the behavior:

1. Open any binary
2. Select any rendered view of High Level IL with braces
3. Click on the outer braces that the function definition lies in

Screenshots/Video Recording:

Additional Information:

What is notable is that the instrIndex is always the 64 bit integer limit.