Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c271ebb3a6b932c7c8b1576dcf905b140792ec81438a34fdfc00255d72ca5aa5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^