Overflowed constant

The overflowed value due to arithmetic on constants is too small or unexpectedly negative, causing incorrect computations. Integer overflow occurs in arithmetic on constant operands
/data/bazel_cache/1de52aaeb35278243ca29a4785ce7969/execroot/_main_/src/mongo/db/catalog/collection_impl.cpp:558: INTEGER_OVERFLOW 151783 Function "mongo::StringData(this->_ns.coll()).find('.', 0UL)" returns -1.
/data/bazel_cache/1de52aaeb35278243ca29a4785ce7969/execroot/_main_/src/mongo/db/catalog/collection_impl.cpp:558: INTEGER_OVERFLOW 151783 Expression "mongo::StringData(this->_ns.coll()).find('.', 0UL) + 1UL", which is equal to 0, where "mongo::StringData(this->_ns.coll()).find('.', 0UL)" is known to be equal to 18446744073709551615, overflows the type that receives it, an unsigned integer 64 bits wide.