Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6f507da765f35a8cd0c3c929051c79631ff4b00e37c87d51ff34e84eea2d8fa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^