Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 02ad64c033dd3dcb0479b5146c054541433275c98bf826a91cd7e522b8391f1d:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^