Flow price: --
2a366d8d7c377012d991908f0be233a84132ea0b832c2c2a6e419df747ae3b8b

Transaction

Hash: 2a366d8d7c377012d991908f0be233a84132ea0b832c2c2a6e419df747ae3b8b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2a366d8d7c377012d991908f0be233a84132ea0b832c2c2a6e419df747ae3b8b: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:
2a366d8d7c377012d991908f0be233a84132ea0b832c2c2a6e419df747ae3b8b
Status:
ERROR
Block height:
39939926
Block id:
b42496eab38613a23f489d4ed8808a4242736503afa4c8610296f2e045a13989
Timestamp:
Saturday 29 October 2022 at 17:50:15 UTC
()
Proposer:
Authorizers:
Gas used:
47