Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a41204c01343fc0bc3ced1a3a69c1f9403739cba8ea1a0f351bf9711c820dc6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^