Flow price: --
5aec34f076b73584b30fd2c87729cb5e79c6f0bfda7ab3b011048662cde98b75

Transaction

Hash: 5aec34f076b73584b30fd2c87729cb5e79c6f0bfda7ab3b011048662cde98b75
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5aec34f076b73584b30fd2c87729cb5e79c6f0bfda7ab3b011048662cde98b75:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5aec34f076b73584b30fd2c87729cb5e79c6f0bfda7ab3b011048662cde98b75
Status:
ERROR
Block height:
40168287
Block id:
1d178fe0511b504e1ffc661c5a0ab4f2dc7cb741eb8a9ccab358908a7fe7a339
Timestamp:
Wednesday 2 November 2022 at 13:38:52 UTC
()
Proposer:
Authorizers:
Gas used:
49