Flow price: --
12d1660af1a4b42cf135e101225983730fe41f56aad9febc10e8b36b4e472984

Transaction

Hash: 12d1660af1a4b42cf135e101225983730fe41f56aad9febc10e8b36b4e472984
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12d1660af1a4b42cf135e101225983730fe41f56aad9febc10e8b36b4e472984:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
12d1660af1a4b42cf135e101225983730fe41f56aad9febc10e8b36b4e472984
Status:
ERROR
Block height:
40113653
Block id:
a323b51254a02f135f959fd2168bbb16ad4a02fd479a36899b57b94506dfc874
Timestamp:
Tuesday 1 November 2022 at 15:26:21 UTC
()
Proposer:
Authorizers:
Gas used:
50