Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7dba35c88b01b643934c6dca869ac93b4f8a5b680f5977f3b1f75d79839620dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^