Update FAQ authored by Leonie Plaga's avatar Leonie Plaga
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* **I have recently downloaded backbone, but it does not work with the Input files from the backbone Wiki**
* The example data is prepared for the dev-branch of backbone. How to download it, you find here: https://gitlab.vtt.fi/backbone/backbone/-/wikis/Getting-started/Quick-Start
* **When typing in the path to my input data in the command line of GAMS studio, the font becomes red and I get an error when executing backbone.**
* Check your command for spelling mistakes and unwanted spaces. The path to your data may not contain spaces.
* Check your command for spelling mistakes and unwanted spaces. The path to your data may also not contain spaces.
* **I have build a model with integer investments/efficiencies. Backbone never invests or uses more than 100 units, although it would be cheaper.**
* If the upper bound of your integer variable is infinity, CPLEX (the solver GAMS uses), sets it to 100 by default. To change this default setting, add intVarUp=0 in 1_options.gms under Solver options.
* **I have a large model. After quite a time of solving, backbone tells me "solution time exceeded.".**
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