Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 657b7f9f66c71384d5b10821a1b212b94adc190b257474e8d51a63dfe1c30477:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^