Examples of solutions:

Wrong wording:

all_a = driver.find_elements_by_class(‘classname’)
for a in all_a:
a.click()
…
This makes it easy to click on the first a, and the page refreshes. If you click the second one, it will report this The error
can be changed to:
counts_a = len(driver.find_elements_by_class(‘class name’))
for i in range(counts_a):
driver.find_element_by_xpath(‘//a[@class=”class name”][i+1]’ ).click()
may be better, of course, there are other ways of writing, probably meaning that you need to reposition it after refreshing, and then use the repositioned element to operate