Flow price: --
dc4a4e0dd63a57eb5fe00a806c1e43d7d3952aea2411b312a8430393651331c2

Transaction

Hash: dc4a4e0dd63a57eb5fe00a806c1e43d7d3952aea2411b312a8430393651331c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dc4a4e0dd63a57eb5fe00a806c1e43d7d3952aea2411b312a8430393651331c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dc4a4e0dd63a57eb5fe00a806c1e43d7d3952aea2411b312a8430393651331c2
Status:
ERROR
Block height:
39865539
Block id:
e17b9e748e2007319b7ac2aa67f761a8fbab2437dceb9ce9abcbbb0801fda88a
Timestamp:
Friday 28 October 2022 at 12:02:44 UTC
()
Proposer:
Authorizers:
Gas used:
49