Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cefea9ea0c96f5dbaba6f5f9d3c097df46b7fea407e38fd556f4ba3f7081a292:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^