Flow price: --
a603284fe5d3e993f7554272aa88633642a481e5f03f85588e4aa8511a3a19e3

Transaction

Hash: a603284fe5d3e993f7554272aa88633642a481e5f03f85588e4aa8511a3a19e3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a603284fe5d3e993f7554272aa88633642a481e5f03f85588e4aa8511a3a19e3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a603284fe5d3e993f7554272aa88633642a481e5f03f85588e4aa8511a3a19e3
Status:
ERROR
Block height:
39873291
Block id:
f5bb030c791f75efe06711c4c848f736ab8f26374b632bf6f435a2f17f81ecb7
Timestamp:
Friday 28 October 2022 at 15:08:57 UTC
()
Proposer:
Authorizers:
Gas used:
50