Flow price: --
f621e5e59382efaef9cf9103c248cecb09fb49a86593c16097906d89d7bbf4f3

Transaction

Hash: f621e5e59382efaef9cf9103c248cecb09fb49a86593c16097906d89d7bbf4f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f621e5e59382efaef9cf9103c248cecb09fb49a86593c16097906d89d7bbf4f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f621e5e59382efaef9cf9103c248cecb09fb49a86593c16097906d89d7bbf4f3
Status:
ERROR
Block height:
40111028
Block id:
d113145c7db4343b611a7ef3e0d60003baa45bb9a05a591deb7b99d6150fa28c
Timestamp:
Tuesday 1 November 2022 at 14:22:55 UTC
()
Proposer:
Authorizers:
Gas used:
46