Flow price: --
555c939e6ab9558b77fa07a1063fbcb7d49fb4b6e60478e5d936675c8a0d85fe

Transaction

Hash: 555c939e6ab9558b77fa07a1063fbcb7d49fb4b6e60478e5d936675c8a0d85fe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 555c939e6ab9558b77fa07a1063fbcb7d49fb4b6e60478e5d936675c8a0d85fe: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:
555c939e6ab9558b77fa07a1063fbcb7d49fb4b6e60478e5d936675c8a0d85fe
Status:
ERROR
Block height:
40131245
Block id:
6b5cc676e308214c4c4cf84c8faedfb1f2d5d25216014d00b54fbd25e8616aa3
Timestamp:
Tuesday 1 November 2022 at 22:37:14 UTC
()
Proposer:
Authorizers:
Gas used:
46