Flow price: --
8648b54008a1fe627b404f5225d4dd70346be171dd8a8dcb09344d90d58043f3

Transaction

Hash: 8648b54008a1fe627b404f5225d4dd70346be171dd8a8dcb09344d90d58043f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8648b54008a1fe627b404f5225d4dd70346be171dd8a8dcb09344d90d58043f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8648b54008a1fe627b404f5225d4dd70346be171dd8a8dcb09344d90d58043f3
Status:
ERROR
Block height:
40041450
Block id:
c0816bcfdf1c230c1e44e082f4bdcf34ad958697df6b8fd93effcf8e0836ae43
Timestamp:
Monday 31 October 2022 at 10:19:33 UTC
()
Proposer:
Authorizers:
Gas used:
48