Flow price: --
b443c8ae8a3f7bb7114ac9527593d7f50d0339418d9798b775839fe34d389caf

Transaction

Hash: b443c8ae8a3f7bb7114ac9527593d7f50d0339418d9798b775839fe34d389caf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b443c8ae8a3f7bb7114ac9527593d7f50d0339418d9798b775839fe34d389caf: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:
b443c8ae8a3f7bb7114ac9527593d7f50d0339418d9798b775839fe34d389caf
Status:
ERROR
Block height:
39852983
Block id:
39a2efe5fbf1a939779fe41cf2c25b59a301a80770228f9ba51a8325b1c9a896
Timestamp:
Friday 28 October 2022 at 06:58:33 UTC
()
Proposer:
Authorizers:
Gas used:
45