Flow price: --
de8549be7b5388a54cf9a39f5bff1149357722045f5aac1ff645bef7b11d4cbb

Transaction

Hash: de8549be7b5388a54cf9a39f5bff1149357722045f5aac1ff645bef7b11d4cbb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> de8549be7b5388a54cf9a39f5bff1149357722045f5aac1ff645bef7b11d4cbb: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:
de8549be7b5388a54cf9a39f5bff1149357722045f5aac1ff645bef7b11d4cbb
Status:
ERROR
Block height:
39870528
Block id:
cc440e8ca61bdf78becf7199189eae8269598873b6ef52ca4eb9fe2611520d97
Timestamp:
Friday 28 October 2022 at 14:02:23 UTC
()
Proposer:
Authorizers:
Gas used:
50