Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 49d89f48dd03e6fc74c838db115e405db4f036bedc1ac4b2183532997a84650d:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^