Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 430a299d1662f3f04ae8fb70f58d710c2c6af81d7dac0c13877aa6abb88dcc54:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^