Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3af1a5d46079419afba906059b4f42370277b6e575bf941fac2c6f26bdbbb452:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^