Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2e614e8bd35f2901ed3f73909aeda01d6bcbe716c6060d4c03cccf8db7909faf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^