Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ac2231d755636f31cd362b29be145946d1a02afcaf0d04a8c3fc6bd11ba708d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^