Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21153f4bdadc306d9e0e64e390267fdeb5071fa3e5c4aaef7ab3bb67d6236791:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^