Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a56fcd7e0f9bd94f9b772b3c5d0b42c6a64efbca313cf030657301000f5f77b4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^