Flow price: --
c66a81f4630c119a6400ab6c63e903035eea40a13a67a25bd62282b05401b033

Transaction

Hash: c66a81f4630c119a6400ab6c63e903035eea40a13a67a25bd62282b05401b033
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c66a81f4630c119a6400ab6c63e903035eea40a13a67a25bd62282b05401b033:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c66a81f4630c119a6400ab6c63e903035eea40a13a67a25bd62282b05401b033
Status:
ERROR
Block height:
39885969
Block id:
8ff37417c02249f1a5c7c047743d0abdc49a0b4f5378ba9f6f6725548dc616ad
Timestamp:
Friday 28 October 2022 at 20:12:02 UTC
()
Proposer:
Authorizers:
Gas used:
47