Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 80b02b51793e456aac69097ef5d02cf381f1cfc8dc2ddf3779b249dc5f920cdd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^