Flow price: --
9f7644ff491136b7a383ef62e053fa2bb4a2f0982e59f65717e72f47ad6d098c

Transaction

Hash: 9f7644ff491136b7a383ef62e053fa2bb4a2f0982e59f65717e72f47ad6d098c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9f7644ff491136b7a383ef62e053fa2bb4a2f0982e59f65717e72f47ad6d098c: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:
9f7644ff491136b7a383ef62e053fa2bb4a2f0982e59f65717e72f47ad6d098c
Status:
ERROR
Block height:
39860515
Block id:
9cac6d0f73a0e2d5e37a8d59513175cc4cba4894f27e06c3f3087bf94824500a
Timestamp:
Friday 28 October 2022 at 10:00:55 UTC
()
Proposer:
Authorizers:
Gas used:
48