Flow price: --
00647b36399f33c28fb5d461b11a1da79cd7a4e8bb2c82d3a8e0daf1f83b8d8c

Transaction

Hash: 00647b36399f33c28fb5d461b11a1da79cd7a4e8bb2c82d3a8e0daf1f83b8d8c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 00647b36399f33c28fb5d461b11a1da79cd7a4e8bb2c82d3a8e0daf1f83b8d8c: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:
00647b36399f33c28fb5d461b11a1da79cd7a4e8bb2c82d3a8e0daf1f83b8d8c
Status:
ERROR
Block height:
39975288
Block id:
7981e6525a2f4219c795dcb8ba6841c781f83ada02148368580ba52cdfba3c4e
Timestamp:
Sunday 30 October 2022 at 07:52:56 UTC
()
Proposer:
Authorizers:
Gas used:
48