Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7f76cde8f2c18455f09a060a30f7fa7ec6c5d1f87644330d834af0bf04242a0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^