Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77c93accc6c6b50af852a6c24c7b50a8e0dd56dbb9494b706d1be3095f903e41:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^