Flow price: --
13376d1f20d237db2052e4338dce9d314e0a60e60bd9d3a1b9b1f8a0823d6143

Transaction

Hash: 13376d1f20d237db2052e4338dce9d314e0a60e60bd9d3a1b9b1f8a0823d6143
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 13376d1f20d237db2052e4338dce9d314e0a60e60bd9d3a1b9b1f8a0823d6143:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
13376d1f20d237db2052e4338dce9d314e0a60e60bd9d3a1b9b1f8a0823d6143
Status:
ERROR
Block height:
39844340
Block id:
ac3b84db4522f31145e6388f7adf07dfa75b0797ae2dbba4ef4542e215f43519
Timestamp:
Friday 28 October 2022 at 03:28:43 UTC
()
Proposer:
Authorizers:
Gas used:
47