Flow price: --
c618d3b0cdcb54d6158129e8fabec9d65c18e521a9218a72bf2cd8f5cb56d498

Transaction

Hash: c618d3b0cdcb54d6158129e8fabec9d65c18e521a9218a72bf2cd8f5cb56d498
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c618d3b0cdcb54d6158129e8fabec9d65c18e521a9218a72bf2cd8f5cb56d498:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c618d3b0cdcb54d6158129e8fabec9d65c18e521a9218a72bf2cd8f5cb56d498
Status:
ERROR
Block height:
39765718
Block id:
e90564368a737b853adfeff391db93f04fe912b660e3cbcfae827f0416da8542
Timestamp:
Wednesday 26 October 2022 at 19:47:16 UTC
()
Proposer:
Authorizers:
Gas used:
47