Flow price: --
f5e49b6c12a522a3589e929b317b1a2662712a0f9effb87eaa57fef6222abdd1

Transaction

Hash: f5e49b6c12a522a3589e929b317b1a2662712a0f9effb87eaa57fef6222abdd1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f5e49b6c12a522a3589e929b317b1a2662712a0f9effb87eaa57fef6222abdd1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f5e49b6c12a522a3589e929b317b1a2662712a0f9effb87eaa57fef6222abdd1
Status:
ERROR
Block height:
40034934
Block id:
f60dda91d5fee66c5e62f986926a1bb927d6a0973dc333a0566319de94ac23c0
Timestamp:
Monday 31 October 2022 at 07:42:02 UTC
()
Proposer:
Authorizers:
Gas used:
46