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Below is a list of common 2D error messages and how to resolve them.
|ERROR - Could not find a connection at the end of HX line with name||The end of the 1D/2D interface (HX code) must have a connector. FIX THIS FIRST!!!||Make sure both ends of the 1D/2D interface string have a connector to a 1D node|
|Could not find a 1D node connected to EC or CN line with name||Node - Link invert to 2D must be selected|
|ERROR - Connection object unused or not snapped to 2D HX or 2D SX object.||The 1D/2D connector no longer connects to the 1D/2D interface||Delete the connector and create a new one so that the snap will work|
|ERROR - Unresolvable connections to 1D Nodes: Node 15, Node 15, Node 11, Node 25||The 1D/2D connector no longer connects to the 1D/2D interface||Delete the connector and create a new one so that the snap will work|
|CHECK - Repeat application of HX boundary to 2D cell ignored||Two of the 1D/2D interfaces lines go through one cell||Turn on the 2D domain so you can see the cells. Move or Delete one of the 1D/2D interface lines|
|ERROR - ZC level of 157.6 at 2D HX cell is below interpolated node bed level of 157.9|
The 2D cells that form the banks along the 1D/2D interface must be higher than the nodes inverts of the 1D channel
Test levels along the 1D/2D interface are interpolated from the invert levels of the connected nodes. The cell centers along the interface string must be above these test levels
|First, check the invert levels of the nodes you have connected to the 1D/2D interface.|
If these are correct then consider adding more 1D/2D connectors so that the 1D/2D interface line has more points to interpolate between.
Next, check if the 1D/2D interface has been drawn through a low point and not stayed up on top of the bank (i.e. lower than the nodes)
|If this error is at a cell center that you thought was inactive, then check the boundaries and see if the cell falls under the 50% rule.**||Adjust the inactive/active boundary. Add the 2D active and inactive layers on with the 2D domain to see where the active cells are located|
|Cannot move 1D/2D connector and get a snap onto the interface even though selectable and snap is turned on?||delete the connector and create a new one|
|It just will not run 2D||check the *.2dlog file for error messages if not try the *.tlf file|
|mif errors in *.2d log and/or *.tlf file||The polygons in XPSWMM are not valid. Most likely small polygons have been created by mistake||Look through the *.mif files with a text editor to find one that ends with odd characters. Check the file name to find out the data type. Only show this one layer in XPSWMM and use the select rectangle to select all of the polygons. Now that they are all selected, small unwanted polygons may appear. Delete these|
|Too many messages are shown||You can limit the number of messages||Right click in layer control on the diagnostic file and change setting on data tab|
|Backward Compatibility Defaults are no longer valid, please use XPSWMM 2018.1 or earlier.||PRE-2013 and earlier are no longer supported in XPSWMM/XPStorm 2018.2.1 and later.|
** What makes the cell active? (The 50% Rule)
Anchor 50_percent_rule 50_percent_rule
- Default mode is changed by Active and Inactive area polygons. If 50% of a cell side is on the active side then the cell is active
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