Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2715efaec6c0679940a38c3381b98f9e39e70e7aaa60934d31b0c4ccbb3b8df7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^