Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7174b2260fc73422f49d2631cac05d80d6def14b4135a1cdd8724a17e9cc86cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^