Flow price: --
18e16191756258d18677379e48e55ab190ed069d58e76d6c5d50af352b2cf50f

Transaction

Hash: 18e16191756258d18677379e48e55ab190ed069d58e76d6c5d50af352b2cf50f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 18e16191756258d18677379e48e55ab190ed069d58e76d6c5d50af352b2cf50f: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:
18e16191756258d18677379e48e55ab190ed069d58e76d6c5d50af352b2cf50f
Status:
ERROR
Block height:
39803616
Block id:
d0b393af73c190b33b4ec77c59229f8fc7aeb3ca4e9c1299794ad98dbe4e15bc
Timestamp:
Thursday 27 October 2022 at 11:01:58 UTC
()
Proposer:
Authorizers:
Gas used:
48