Flow price: --
cbe4fa67421eddff87d5a30607b7d5738f938e49e6c0f586769cb967ed1ff154

Transaction

Hash: cbe4fa67421eddff87d5a30607b7d5738f938e49e6c0f586769cb967ed1ff154
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cbe4fa67421eddff87d5a30607b7d5738f938e49e6c0f586769cb967ed1ff154:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cbe4fa67421eddff87d5a30607b7d5738f938e49e6c0f586769cb967ed1ff154
Status:
ERROR
Block height:
39795570
Block id:
b3b0fca429855f6a90c8b78499c6a8f8080870f000522ba0c752b9fa6cd855ae
Timestamp:
Thursday 27 October 2022 at 07:48:21 UTC
()
Proposer:
Authorizers:
Gas used:
47