Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da77cf1b5785d8deb4e60f4c857598767132cff93c0815b61d30a85fe2c2c5d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^