System information

• SolveSpace version:
• 3.1~d6e97091
• Operating system:
  Ubuntu

Expected behavior

Selected an edge of a rectangle, then clicked "Constraints" > "Symmetric". The rectangle should get the symmetry constraint.

Actual behavior

Software crashed.

Additional information

Error message on the terminal:
SolveSpace!

Missing (absent) translation for 'A&ngle / Equal Angle'
Missing (absent) translation for 'E&qual Length / Radius'
connect failed: No such file or directory
Vector::WithMagnitude(2.3) of zero vector!
Vector::WithMagnitude(2.3) of zero vector!
Vector::WithMagnitude(2.3) of zero vector!
Vector::WithMagnitude(2.3) of zero vector!
Vector::WithMagnitude(2.3) of zero vector!
Vector::WithMagnitude(2.3) of zero vector!
File ./src/dsc.h, line 526, function FindById:
Assertion failed: t != nullptr.
Message: Cannot find handle.
Aborted (core dumped)