Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 99beb851841a57f3408160e09612d957c321c20120ffa5efaf64ba99b28cc45a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^