Flow price: --
814c101e3f00b51006f2c96d54a9f091da109f5ab8029f79cf67ceba692f3d88

Transaction

Hash: 814c101e3f00b51006f2c96d54a9f091da109f5ab8029f79cf67ceba692f3d88
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 814c101e3f00b51006f2c96d54a9f091da109f5ab8029f79cf67ceba692f3d88:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
814c101e3f00b51006f2c96d54a9f091da109f5ab8029f79cf67ceba692f3d88
Status:
ERROR
Block height:
40039823
Block id:
c01b181a6b8a018bd9177ff189e505592559125183994446527945a7a6333a1a
Timestamp:
Monday 31 October 2022 at 09:39:53 UTC
()
Proposer:
Authorizers:
Gas used:
49