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Dear Andres S. Chavez Armijos，
When running the code, I met the following error and tried to solve it, but nothing worked.
'''pyomo.common.errors.ApplicationError: Solver (ipopt) did not exit no…
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### Thank you for the defect report
- [X] I am using the latest version of `RAVEN`.
- [X] I have read the [Wiki](https://github.com/idaholab/raven/wiki).
- [ ] I have created a [minimum, reproducible…
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Hello,
I'm running into an issue with CBC 2.10.11 when providing a MIP start solution. When I run
`cbc -import /tmp/tmp4rm8vens.pyomo.lp -mipstart /tmp/tmp_dba7oe5.cbc.soln -solve`
the solver f…
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## Summary
I have the cyipopt module installed and pyomo lists it as viable solver. But when trying to use it with SolverFactory instead of using cyipopt, pyomo falls back to ASL which crashes …
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(not sure how to flag this as a feature request)
It would be a great, great feature to be able to automatically generate model documentation. I'm thinking of something like [GAMS Model2Tex command]…
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## Problem description
We currently only allow investment in capacity at the zeroth timestep. This means that we can't model capacity expansion, or delayed capacity investment.
Two methods I ca…
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### Summary
After bumping Pyomo from v6.5.0 to v6.6+, I am observing some of the [GridPath](https://github.com/blue-marble/gridpath) tests fail due to arriving to different objective function values …
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# taken from core/base/sos.py docstring and modified slightly
```
import pyomo.environ as pyo
model = pyo.ConcreteModel()
model.A = pyo.Set(initialize = range(2))
model.B = pyo.Set(model.A, initi…
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[empty2d.zip](https://github.com/Pyomo/pyomo/files/1486275/empty2d.zip)
The attached files have an example of an AMPL-format dat file with an empty 2 dimensional set that results in an error. A poten…
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Blocks behave differently than Models when you ask them to find themselves:
```
from pyomo.environ import *
m = ConcreteModel()
m.b = Block()
if m.find_component(m) is m:
print("Model re…