Flow price: --
86a5419872c3f5d6653d3b1600daa496fa912e463f135e054ef9d47255e69202

Transaction

Hash: 86a5419872c3f5d6653d3b1600daa496fa912e463f135e054ef9d47255e69202
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 86a5419872c3f5d6653d3b1600daa496fa912e463f135e054ef9d47255e69202:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
86a5419872c3f5d6653d3b1600daa496fa912e463f135e054ef9d47255e69202
Status:
ERROR
Block height:
39877504
Block id:
b2e0bb121b2ad9ad4c3146afd40a7d9b8ba962edd5e9c32be9302303178da440
Timestamp:
Friday 28 October 2022 at 16:49:29 UTC
()
Proposer:
Authorizers:
Gas used:
46