Flow price: --
b1371ea26b935ffb1cc95b82a0406d7d246c297fcc7c4a3e3ab0d3dee1f9465b

Transaction

Hash: b1371ea26b935ffb1cc95b82a0406d7d246c297fcc7c4a3e3ab0d3dee1f9465b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1371ea26b935ffb1cc95b82a0406d7d246c297fcc7c4a3e3ab0d3dee1f9465b: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:
b1371ea26b935ffb1cc95b82a0406d7d246c297fcc7c4a3e3ab0d3dee1f9465b
Status:
ERROR
Block height:
40111263
Block id:
56a020b306bcf8a76922214e3eab18f1dc49a2922758f65d23a4e5191e75f992
Timestamp:
Tuesday 1 November 2022 at 14:28:30 UTC
()
Proposer:
Authorizers:
Gas used:
50