Below are a list of error codes and their possible causes. These errors will display in our FEA software when a user attempts to solve an unsolvable structure. Below is a table displaying the possible causes and solutions to such issues:
| Error Code | Message | Possible Issues | Possible Solutions |
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| 1 | Timed Out – Server Unavailable. |
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| 2 | Timed Out – Solution took too long. |
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| 3 | Server Error |
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| 101 | Unauthorized Access |
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| 102 | Please add a member |
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| 103 | Please add a load |
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| 104 | Please add a support |
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| 105 | Please add a section |
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| 106 – 109, 116, 117 | (*Attribute Name*) of Section ## cannot be zero |
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| 110 | Structure is not constrained |
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| 111 | Please remove disconnected Node # x |
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| 112 | Please remove disconnected Element (Member) # x |
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| 113 | Structure is not constrained |
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| 114, 115, 118 | Solve Error |
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| 119 | Truss Structure not Stable (SkyCiv Truss only) |
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| 149 | Plate has a meshed are that is significantly different from its area. Please check the mesh of this plate. |
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| 181 | Member ID cannot be used for a support since it is the slave node (Node B) of the rigid link. |
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| 182 | Node #ID is the master node (Node A) of Member #ID rigid link and cannot be used as the slave node (Node B) of another rigid link member. |
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| 183 | Node #ID is the slave node of Member #ID but it is already used as a slave in another rigid link member. A slave node cannot be constrained to more than one master node. |
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| 300, 301 | Non-Linear Static Analysis failed to converge |
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| 302 | Buckling Analysis failed to run |
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| 303 | Dynamic Frequency Analysis failed to run |
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| 304, 305 | Response Spectrum Analysis failed to run |
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List of Warnings
Below are a list of warning messages that may not cause the solver to error, but could be adjustments or comments from the solving process:
| Message | Details |
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| Continuous Member x has a problem with straightness as its internal members are using different local axes. Please check the nodes along this member form a straight line |
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| Load Combo y: Member(s) x were removed from the model during the tension/compression only analysis over 1 iterations. | This is a warning regarding the iterative analysis when the model contains tension or compression members. The iterative analysis will remove compression members that are in tension (and vice versa). It will resolve, however in each iteration it checks if removed tension-members may have possibly reversed back to tension and compression-members have reversed back to compression. If the member gets removed and re-added from the model too many times (i.e. it reversed too much) then it just gets permanently removed as it’s deemed problematic for the iterative analysis to complete. |
| Node x has been removed from the model because it is not used in any members or plates. | Solver detected an unused node and removed it during the analysis process |
| Support #x for Node #y was ignored because the node was unused or does not exist. | Solver detected an unused support and removed it during the analysis process |
| Load Combo #x: 1 iterations and y% convergence error | During a non-linear analysis the results will try to converge to a certain percentage (this can be adjusted in the software settings). This message is just notifying the user of that convergence error. |
| Continous Member # is connecting to a node outside it’s real span | Member has x-offsets and because it’s a continuous member, it’s connecting to nodes that aren’t on its real span. Continuous members will pick up and automatically connect to intermediate nodes. In this case the intermediate node lies between the offset member’s end and the member’s end node |
