Flow price: --
b7731c021752506e01e74da0fe3a86b2d09b1d172798cc60cb7a7c699d95df31

Transaction

Hash: b7731c021752506e01e74da0fe3a86b2d09b1d172798cc60cb7a7c699d95df31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b7731c021752506e01e74da0fe3a86b2d09b1d172798cc60cb7a7c699d95df31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b7731c021752506e01e74da0fe3a86b2d09b1d172798cc60cb7a7c699d95df31
Status:
ERROR
Block height:
39982369
Block id:
ca49fac743a5b13e32d2bc6969ada57bf588aa304896de5c5159dfceedc0d499
Timestamp:
Sunday 30 October 2022 at 10:41:56 UTC
()
Proposer:
Authorizers:
Gas used:
46