Flow price: --
c0bb749ab7aa3ef5b58bfd745a3a695231141ce4b082189a05aac1dcadb3b59c

Transaction

Hash: c0bb749ab7aa3ef5b58bfd745a3a695231141ce4b082189a05aac1dcadb3b59c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0bb749ab7aa3ef5b58bfd745a3a695231141ce4b082189a05aac1dcadb3b59c: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:
c0bb749ab7aa3ef5b58bfd745a3a695231141ce4b082189a05aac1dcadb3b59c
Status:
ERROR
Block height:
39997153
Block id:
5cfcf4aa2b1a53d360a78b988849f257d26c6daf2692d01384e0faa65d92432c
Timestamp:
Sunday 30 October 2022 at 16:37:31 UTC
()
Proposer:
Authorizers:
Gas used:
50