Flow price: --
81342e1c744e0985a9f2b7225533be71af5450e7beb1e41090719d15d5bcde2c

Transaction

Hash: 81342e1c744e0985a9f2b7225533be71af5450e7beb1e41090719d15d5bcde2c
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:
  --> 81342e1c744e0985a9f2b7225533be71af5450e7beb1e41090719d15d5bcde2c: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:
81342e1c744e0985a9f2b7225533be71af5450e7beb1e41090719d15d5bcde2c
Status:
ERROR
Block height:
40176194
Block id:
c0b391ed39be7ecf87a6ff1e9cd71d2f0ea1c44b34fc1c5b426bf47527bc6d24
Timestamp:
Wednesday 2 November 2022 at 18:23:27 UTC
()
Proposer:
Authorizers:
Gas used:
23