Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a6a74996149406cc206f8c70aa65d11c9b4d89ce87255dcc6ae1fa614a8cce9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^