Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2cd8886a808c6f769a7ed29a80bc51307085ab61f5df50bbbccefcb1ed47ec76:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^