Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9f817715dea3c9691b30019315b6f2f3001c7708bb66deb819d50772b9633a91:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^