Flow price: --
fe6fd48fa1b96314a7c675d1291408f86f11368d6b9f74a0806e71dee3fd34e4

Transaction

Hash: fe6fd48fa1b96314a7c675d1291408f86f11368d6b9f74a0806e71dee3fd34e4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fe6fd48fa1b96314a7c675d1291408f86f11368d6b9f74a0806e71dee3fd34e4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fe6fd48fa1b96314a7c675d1291408f86f11368d6b9f74a0806e71dee3fd34e4
Status:
ERROR
Block height:
40120820
Block id:
1f78f40d77a7e934f856a08c07e3990c3e5bf676cded2bb9296826eed4a7ac98
Timestamp:
Tuesday 1 November 2022 at 18:21:12 UTC
()
Proposer:
Authorizers:
Gas used:
50