Flow price: --
47b15056e54d4d5b13c46909844faeed844e73beee8d2f4e9ae1360ff03f2f21

Transaction

Hash: 47b15056e54d4d5b13c46909844faeed844e73beee8d2f4e9ae1360ff03f2f21
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 47b15056e54d4d5b13c46909844faeed844e73beee8d2f4e9ae1360ff03f2f21:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
47b15056e54d4d5b13c46909844faeed844e73beee8d2f4e9ae1360ff03f2f21
Status:
ERROR
Block height:
40117224
Block id:
b99e99c378b12d45dd92e112fe0b59eb1ada438d4ddfad470a268422b5e5d9bd
Timestamp:
Tuesday 1 November 2022 at 16:53:43 UTC
()
Proposer:
Authorizers:
Gas used:
50