Flow price: --
ec8952923f990d5bd2911d96cc0473dc86b6d1c93072b6d8dc72adaf67424fc4

Transaction

Hash: ec8952923f990d5bd2911d96cc0473dc86b6d1c93072b6d8dc72adaf67424fc4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ec8952923f990d5bd2911d96cc0473dc86b6d1c93072b6d8dc72adaf67424fc4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ec8952923f990d5bd2911d96cc0473dc86b6d1c93072b6d8dc72adaf67424fc4
Status:
ERROR
Block height:
39876863
Block id:
18741457fb2c2f8fa92fbf6530376c186af77bc1512a54fb484f73c2b1f5ee6a
Timestamp:
Friday 28 October 2022 at 16:34:06 UTC
()
Proposer:
Authorizers:
Gas used:
48