Flow price: --
1047a51b5fa73ca62906236bba682b74e6b61f5ed31d7f2e605e22559b3da48c

Transaction

Hash: 1047a51b5fa73ca62906236bba682b74e6b61f5ed31d7f2e605e22559b3da48c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1047a51b5fa73ca62906236bba682b74e6b61f5ed31d7f2e605e22559b3da48c: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:
1047a51b5fa73ca62906236bba682b74e6b61f5ed31d7f2e605e22559b3da48c
Status:
ERROR
Block height:
40135949
Block id:
ee7a1c07cb52ed7785dbf59ba46cd7a3936472f15e9aab7648b8316f4e6420be
Timestamp:
Wednesday 2 November 2022 at 00:32:25 UTC
()
Proposer:
Authorizers:
Gas used:
50