Flow price: --
189c9056ff54a7a0d8197aa9dc98f9b1bca2ddce1ab2f0967d1bb932f3afda20

Transaction

Hash: 189c9056ff54a7a0d8197aa9dc98f9b1bca2ddce1ab2f0967d1bb932f3afda20
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 189c9056ff54a7a0d8197aa9dc98f9b1bca2ddce1ab2f0967d1bb932f3afda20:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
189c9056ff54a7a0d8197aa9dc98f9b1bca2ddce1ab2f0967d1bb932f3afda20
Status:
ERROR
Block height:
39728355
Block id:
d00c701b29116ff1e974e44e9e4059b64c066a625a41abb292799c8962ef87ff
Timestamp:
Wednesday 26 October 2022 at 04:43:56 UTC
()
Proposer:
Authorizers:
Gas used:
47