How to fix the -1 cell error in the CaesarII model?
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When modeling with CaesarII, the wrong key was pressed, resulting in errors with -1 values. Even after deleting the incorrect section of pipe, the -1 value didn’t disappear, and there was no entry for this -1 value in the operation list either. As a result, it cannot run, and this model is useless. Does anyone know how to fix this error?
Fortunately, this software also has a feature that allows accessing previous saved versions of the same file. You can start working on the model by going back to some versions prior to this error. Otherwise, you have to start building the model from scratch.
But I still don’t know how to remove the -1 unit errors from the file.
The most annoying bug in this software is the -1 unit error. It’s possible that the model you’ve worked hard on will have to be rebuilt from scratch.
In CaesarII, if a -1 unit error occurs, it usually indicates that there are some elements in the model that have not been properly defined or are damaged. Try the following steps to resolve this issue: 1. Return to edit mode and check that all pipe segments and nodes are correct. Confirm that there are no missed or incorrectly connected parts. 2. Use the “Clean Model” function, which can help identify and fix some common errors in the model. 3. If there is no point with the number -1 in the operation list, it may be that the relevant data was not completely removed during deletion. Try restarting the software, then open the model again to check it. 4. If the problem still cannot be resolved, consider exporting the model to a text file, manually checking and editing the erroneous parts, and then importing it again. 5. As a last resort, if the above methods fail, it is recommended to rebuild the model. Ensure that multiple backups are created during the operation, in case it is necessary to restore to the state before the error occurred. .