Flow price: --
4b12570ef921a22685e1dc4667ee2469b95ddc2fa5cab3d18e84e6134afcd717

Transaction

Hash: 4b12570ef921a22685e1dc4667ee2469b95ddc2fa5cab3d18e84e6134afcd717
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b12570ef921a22685e1dc4667ee2469b95ddc2fa5cab3d18e84e6134afcd717:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4b12570ef921a22685e1dc4667ee2469b95ddc2fa5cab3d18e84e6134afcd717
Status:
ERROR
Block height:
39882394
Block id:
aee71819e2b4af86401f0a31dcc257eec47e14bdd03595064cb158502f18f81c
Timestamp:
Friday 28 October 2022 at 18:47:11 UTC
()
Proposer:
Authorizers:
Gas used:
47