Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf8cf196f89bac0f077c24e848aadabf885a3ec8e7eaac06e57e5cb9d92d0c72:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^