ORA-01262 I faced this issue when i tried to work in oracle first time and i loosed my 10-20 hours to know actually what is missing because it was first time when i was stuck on this type of problem. finally i found the solution that is mentioned below:
This screen were appearing when i was in trouble :
I tried to find my solution in google but that all were not useful, i tried to solve it in many ways but not reached to the point and now i decided to change my ora directory path and that worked finally, i got my solution and now i am sharing with you guys.
Need to make changes in below red area:
after successfully changed below screen were appeared :