Flow price: --
a42aa0d5e6673407b2d500ee8ce1e1cc2a2146095ece5edd6ed26f4cd30ee178

Transaction

Hash: a42aa0d5e6673407b2d500ee8ce1e1cc2a2146095ece5edd6ed26f4cd30ee178
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> a42aa0d5e6673407b2d500ee8ce1e1cc2a2146095ece5edd6ed26f4cd30ee178:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
a42aa0d5e6673407b2d500ee8ce1e1cc2a2146095ece5edd6ed26f4cd30ee178
Status:
ERROR
Block height:
41624383
Block id:
3bcc801798513cba25bbf0b9c3bbdb1cc6376b7812a07b77d8677f18cf7a7fad
Timestamp:
Saturday 26 November 2022 at 13:44:53 UTC
()
Proposer:
Authorizers:
Gas used:
37