Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e89aea161f399beb102dd665f4242abc0b9913dedbd38d5482b1c74950e35146:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^