Flow price: --
3f5be54b8cedf3c5865c8cbffba65bf684816e7ee540fc7d6a98f3f002fb73e6

Transaction

Hash: 3f5be54b8cedf3c5865c8cbffba65bf684816e7ee540fc7d6a98f3f002fb73e6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f5be54b8cedf3c5865c8cbffba65bf684816e7ee540fc7d6a98f3f002fb73e6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f5be54b8cedf3c5865c8cbffba65bf684816e7ee540fc7d6a98f3f002fb73e6
Status:
ERROR
Block height:
39853402
Block id:
e024a462ad5c69b81daf3abad90ac24ddc027517df521a5191ebe813ef07bf14
Timestamp:
Friday 28 October 2022 at 07:08:59 UTC
()
Proposer:
Authorizers:
Gas used:
47