Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4b873be302d4dd3328e69a8806b8fd02785eab8e12b0ad234bd1c9fc97a00f7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^