Flow price: --
39165f53df082f5873a02470b9cb7b73d41d082fad577a8feffdd101cbfbf304

Transaction

Hash: 39165f53df082f5873a02470b9cb7b73d41d082fad577a8feffdd101cbfbf304
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 39165f53df082f5873a02470b9cb7b73d41d082fad577a8feffdd101cbfbf304:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
39165f53df082f5873a02470b9cb7b73d41d082fad577a8feffdd101cbfbf304
Status:
ERROR
Block height:
40101720
Block id:
59747fae679ca6a8ef829d6a93639edab73c5f6c6f5bd6163416fa75e947d49f
Timestamp:
Tuesday 1 November 2022 at 10:36:48 UTC
()
Proposer:
Authorizers:
Gas used:
47