Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 52a5c16fea4c926346fd25174846d414d61c1e75fe9bcef654a68f284b1c49fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^