Flow price: --
a0f58d172ccb74cab2fbb8d6a8af34084d5fd666ab2b200547c45de48d0bcfa0

Transaction

Hash: a0f58d172ccb74cab2fbb8d6a8af34084d5fd666ab2b200547c45de48d0bcfa0
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:
  --> a0f58d172ccb74cab2fbb8d6a8af34084d5fd666ab2b200547c45de48d0bcfa0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
a0f58d172ccb74cab2fbb8d6a8af34084d5fd666ab2b200547c45de48d0bcfa0
Status:
ERROR
Block height:
40540840
Block id:
e89b7aacce1a743997332fe949ebc0c7795774047288ff3ebfa16848c7df0a6a
Timestamp:
Tuesday 8 November 2022 at 19:31:40 UTC
()
Proposer:
Authorizers:
Gas used:
24