Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> db6c50e8c65d590a70d04b919f4aa0a254cecfde8c5a453dc5d1f3a02300bdc0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^