Error while opening "Mandrill Integration"

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Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 61, in application
response = frappe.handler.handle()
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 21, in handle
data = execute_cmd(cmd)
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 56, in execute_cmd
return frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 1013, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/desk_page.py”, line 32, in getpage
doc = get(page)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/desk_page.py”, line 15, in get
page.load_assets()
File “/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/page/page.py”, line 123, in load_assets
if “” in template:
UnicodeDecodeError: ‘ascii’ codec can’t decode byte 0xc3 in position 98: ordinal not in range(128)