Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9e7d280e954c2f45ed93c16cf4ba3301d667822a065cb9ab73a580e08bc0ed69:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^