Flow price: --
9c8a18e12fac05236c9f6751972bb4ce36db438c6d8a88563ce598a9663e0e96

Transaction

Hash: 9c8a18e12fac05236c9f6751972bb4ce36db438c6d8a88563ce598a9663e0e96
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c8a18e12fac05236c9f6751972bb4ce36db438c6d8a88563ce598a9663e0e96:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c8a18e12fac05236c9f6751972bb4ce36db438c6d8a88563ce598a9663e0e96
Status:
ERROR
Block height:
39860356
Block id:
525a1e35d5ed9168492b40f2f3e51d5dc07314b3d3b2693f23b1dc74654173e4
Timestamp:
Friday 28 October 2022 at 09:57:06 UTC
()
Proposer:
Authorizers:
Gas used:
48