---
name: Bug report
about: Create a report to help us improve
---


**What version of OR-tools and what language are you using?**
Version: master/v7.3/v7.2 etc.
Language: C++/Java/Python/C#

**Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)**

**What operating system (Linux, Windows, ...) and version?**

**What did you do?**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

**What did you expect to see**

**What did you see instead?**

Make sure you include information that can help us debug (full error message, model Proto).

**Anything else we should know about your project / environment**