Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 76a6047d29aa692addec2bac1faa3529bae0f6180411b054fd9bf02e13c4a88f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^