Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 018fc2866a0c52c535187fc5b94138a832dffa2e44fd8c0bcd4e739c69254884:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^