Flow price: --
56c878a11388cb84c89b063abc65b66ac4d25860b37c610a254a898b15f5b58f

Transaction

Hash: 56c878a11388cb84c89b063abc65b66ac4d25860b37c610a254a898b15f5b58f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 56c878a11388cb84c89b063abc65b66ac4d25860b37c610a254a898b15f5b58f: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:
56c878a11388cb84c89b063abc65b66ac4d25860b37c610a254a898b15f5b58f
Status:
ERROR
Block height:
39908163
Block id:
57cfb76ad93b666c48fc2ce66bcf8740161c7d2602cd493fdacb12e8f52cbae3
Timestamp:
Saturday 29 October 2022 at 05:01:49 UTC
()
Proposer:
Authorizers:
Gas used:
47