---
source: kcl-lib/src/simulation_tests.rs
description: Error from executing panic_repro_cube.kcl
---
KCL Semantic error

  × semantic: This function expected the input argument to be tag identifier
  │ but it's actually of type tag
    ╭─[43:5]
 42 │     // these double wrapped functions are the point of this test
 43 │     getNextAdjacentEdge(getNextAdjacentEdge(seg01)),
    ·     ───────────────────────┬───────────────────────┬
    ·                            │                       ╰── tests/panic_repro_cube/input.kcl
    ·                            ╰── tests/panic_repro_cube/input.kcl
 44 │     getNextAdjacentEdge(getNextAdjacentEdge(seg02))
    ╰────
  ╰─▶ KCL Semantic error
      
        × semantic: This function expected the input argument to be tag
        │ identifier but it's actually of type tag
          ╭─[43:25]
       42 │     // these double wrapped functions are the point of this test
       43 │     getNextAdjacentEdge(getNextAdjacentEdge(seg01)),
          ·                         ─────────────┬────────────
          ·                                      ╰── tests/panic_repro_cube/
      input.kcl
       44 │     getNextAdjacentEdge(getNextAdjacentEdge(seg02))
          ╰────