Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e76b046ac879f5f78e223dbdca4d479fb4d822f949caefd2a5e5cf46cf8f13d5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^