Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f31ca99cb48b9f54fbf6193631a09fcc47e13223be746c6c5baf45263f4f2c4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^