Flow price: --
f2c22878ce1a26a8c1af14c361c6ac88c60dc29f38bdef32d5b0af53cc114056

Transaction

Hash: f2c22878ce1a26a8c1af14c361c6ac88c60dc29f38bdef32d5b0af53cc114056
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2c22878ce1a26a8c1af14c361c6ac88c60dc29f38bdef32d5b0af53cc114056:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2c22878ce1a26a8c1af14c361c6ac88c60dc29f38bdef32d5b0af53cc114056
Status:
ERROR
Block height:
40039077
Block id:
54d27f00aaaed9a35a537c2e3be30d24a3259f2519b94e1d282331d9e3a3efcb
Timestamp:
Monday 31 October 2022 at 09:21:36 UTC
()
Proposer:
Authorizers:
Gas used:
48