Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a0c17cbb1c6162928f442c7dcd168ea7e05f446b0e2c70010c6be3b7f3e12031:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^