Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 984c7d6b09b7d7897a3057028c4463f68c094db88f94c8eeaba5a8e4ce64682d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^