Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dc0d885d810999efc572d17609079de71bb51da592209920e5a73aebffba721c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^