Computing with SWMM Solver - Error 211: Invalid Number

Samir Farra,

Here is a Wiki article that describes your issue.  Please follow the instructions in the article and see if it helps you solve the issue.
Please let us know your results.

Thank-you,
Larry

I've had come across that Wiki article and followed its instructions to make sure I am running the latest version of SewerGEMS and patch set. The element referenced in my error message is a conduit, and the article does not mention what data input we should check for conduits. Larry what would you recommend on this case?

Hello Samir, 

Could you please upload model files for our review? Does the conduit have control structure?  Is there any other error for that conduit? Check calculation messages under results properties of conduit. 

Additionally, while we wait for the model files - I see in the error message that it refers to the numbers in the cross sectional shape of a particular conduit. I would recommend taking a closer look at that conduit to see if there is something unusual about it's shape and parameters. Try adjusting them to see if it has an impact on the error. If that does not help, providing us with a copy of the model for further investigation would indeed be the next best step.

Hello Sushma,

I have uploaded the model files for your review. 

To your questions. 

1) Yes, the conduit has a control structure associated to it at the start node. 

2) This is the only error for conduit D0034 that I am aware of. 

Thank you for taking the time to review my model.

To your questions. 

1) Yes, the conduit has a control structure associated to it at the start node. 

2) This is the only error for conduit D0034 that I am aware of. 

Thank you for taking the time to review my model.

Hi Samir,

The error is caused by the overtopping weir setting for conduit D0034. Even though conduit has "is culvert" set to "false", it seems that at some point in the past it had been set to true and the "has overtopping weir?" setting was also set to True. Because the culvert setting is set to False, it should not be considering the weir setting, but the SWMM solver is attempting to export this with some bad weir settings, causing the issue in question.

I have reported this to our development team (reference # 686176) but a workaround in the meantime is to change the "is culvert" to "true", change the "has overtopping weir" to "false", then change the "is culvert" back to false. You should then be able to compute as it will no longer attempt to export the overtopping weir.

I have updated the related wiki article with this information.

Jesse,

Thank you for you input with this issue. Thanks to that workaround my model was able to complete its calculations and convey results.

Regards,

Samir