Flow price: --
12c088556f6888d2db0997f973bd0bb2f7626f2631a21d5573a1e6b897920173

Transaction

Hash: 12c088556f6888d2db0997f973bd0bb2f7626f2631a21d5573a1e6b897920173
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 12c088556f6888d2db0997f973bd0bb2f7626f2631a21d5573a1e6b897920173:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
12c088556f6888d2db0997f973bd0bb2f7626f2631a21d5573a1e6b897920173
Status:
ERROR
Block height:
41500134
Block id:
c34eb94de225cdc4660f2f05213ddc0c0c8c9ec7ee6c8ce4de76a9981208eda0
Timestamp:
Thursday 24 November 2022 at 13:34:45 UTC
()
Proposer:
Authorizers:
Gas used:
22