Flow price: --
67e57ab557c16be9871a62dad16779a50abfcd25b69612321478624f8d7ef7dd

Transaction

Hash: 67e57ab557c16be9871a62dad16779a50abfcd25b69612321478624f8d7ef7dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 67e57ab557c16be9871a62dad16779a50abfcd25b69612321478624f8d7ef7dd: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:
67e57ab557c16be9871a62dad16779a50abfcd25b69612321478624f8d7ef7dd
Status:
ERROR
Block height:
39921374
Block id:
6f5fe61bf69f898164c911423c2abcc773cdab31fa571c1ded54e3abe70e95f7
Timestamp:
Saturday 29 October 2022 at 10:20:00 UTC
()
Proposer:
Authorizers:
Gas used:
49