Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 130e72c2ea044a461cf4972c6e585e08a8dfcdcf64d772d99f904eeb1f13f767:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^