Flow price: --
3562e92072266b62d69d3f76e7ae95e5bfb91a61b678669a3c91decf7f0eba6b

Transaction

Hash: 3562e92072266b62d69d3f76e7ae95e5bfb91a61b678669a3c91decf7f0eba6b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3562e92072266b62d69d3f76e7ae95e5bfb91a61b678669a3c91decf7f0eba6b: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:
3562e92072266b62d69d3f76e7ae95e5bfb91a61b678669a3c91decf7f0eba6b
Status:
ERROR
Block height:
40044835
Block id:
448fbfca11edfa9453bda33e3deb908dfafa04553c34ef156fb2afcc838f8928
Timestamp:
Monday 31 October 2022 at 11:41:09 UTC
()
Proposer:
Authorizers:
Gas used:
50